6243663426 has 96 divisors (see below), whose sum is σ = 16858533888. Its totient is φ = 1496963520.

The previous prime is 6243663409. The next prime is 6243663497.

6243663426 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38095 + ... + 118061.

It is an arithmetic number, because the mean of its divisors is an integer number (175609728).

Almost surely, 2^6243663426 is an apocalyptic number.

6243663426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6243663426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8429266944).

6243663426 is an abundant number, since it is smaller than the sum of its proper divisors (10614870462).

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

6243663426 is a wasteful number, since it uses less digits than its factorization.

6243663426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80016 (or 80003 counting only the distinct ones).

The product of its digits is 746496, while the sum is 42.

The square root of 6243663426 is about 79016.8553284677. The cubic root of 6243663426 is about 1841.3930284716.

The spelling of 6243663426 in words is "six billion, two hundred forty-three million, six hundred sixty-three thousand, four hundred twenty-six".