641182411 has 4 divisors (see below), whose sum is σ = 641467512. Its totient is φ = 640897312.

The previous prime is 641182403. The next prime is 641182427. The reversal of 641182411 is 114281146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 641182411 - 2³ = 641182403 is a prime.

It is a super-2 number, since 2×641182411² = 822229768351545842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 641182411.

It is not an unprimeable number, because it can be changed into a prime (641182111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139150 + ... + 143683.

It is an arithmetic number, because the mean of its divisors is an integer number (160366878).

Almost surely, 2^641182411 is an apocalyptic number.

641182411 is a deficient number, since it is larger than the sum of its proper divisors (285101).

641182411 is a wasteful number, since it uses less digits than its factorization.

641182411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285100.

The product of its digits is 1536, while the sum is 28.

The square root of 641182411 is about 25321.5799467569. The cubic root of 641182411 is about 862.3042635293.

The spelling of 641182411 in words is "six hundred forty-one million, one hundred eighty-two thousand, four hundred eleven".