247143341742 has 64 divisors (see below), whose sum is σ = 558257356800. Its totient is φ = 72252190080.

The previous prime is 247143341737. The next prime is 247143341743.

It is a happy number.

247143341742 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×247143341742² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247143341694 and 247143341703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247143341743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2397528 + ... + 2498484.

It is an arithmetic number, because the mean of its divisors is an integer number (8722771200).

Almost surely, 2^247143341742 is an apocalyptic number.

247143341742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 247143341742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279128678400).

247143341742 is an abundant number, since it is smaller than the sum of its proper divisors (311114015058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247143341742 is a wasteful number, since it uses less digits than its factorization.

247143341742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102281.

The product of its digits is 451584, while the sum is 42.

It can be divided in two parts, 247143 and 341742, that added together give a palindrome (588885).

The spelling of 247143341742 in words is "two hundred forty-seven billion, one hundred forty-three million, three hundred forty-one thousand, seven hundred forty-two".