641135562 has 16 divisors (see below), whose sum is σ = 1290440352. Its totient is φ = 212350320.

The previous prime is 641135549. The next prime is 641135597. The reversal of 641135562 is 265531146.

It is a super-2 number, since 2×641135562² = 822109617722111688, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 339364 + ... + 341247.

It is an arithmetic number, because the mean of its divisors is an integer number (80652522).

Almost surely, 2^641135562 is an apocalyptic number.

641135562 is an abundant number, since it is smaller than the sum of its proper divisors (649304790).

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

641135562 is a wasteful number, since it uses less digits than its factorization.

641135562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680773.

The product of its digits is 21600, while the sum is 33.

The square root of 641135562 is about 25320.6548493517. The cubic root of 641135562 is about 862.2832611459.

The spelling of 641135562 in words is "six hundred forty-one million, one hundred thirty-five thousand, five hundred sixty-two".