641364311 has 16 divisors (see below), whose sum is σ = 739849536. Its totient is φ = 544617216.

The previous prime is 641364293. The next prime is 641364329. The reversal of 641364311 is 113463146.

It is an interprime number because it is at equal distance from previous prime (641364293) and next prime (641364329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641364311 is a prime.

It is a super-2 number, since 2×641364311² = 822696358849009442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641364811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501605 + ... + 502881.

It is an arithmetic number, because the mean of its divisors is an integer number (46240596).

Almost surely, 2^641364311 is an apocalyptic number.

641364311 is a deficient number, since it is larger than the sum of its proper divisors (98485225).

641364311 is a wasteful number, since it uses less digits than its factorization.

641364311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its digits is 5184, while the sum is 29.

The square root of 641364311 is about 25325.1714900413. The cubic root of 641364311 is about 862.3857995126.

The spelling of 641364311 in words is "six hundred forty-one million, three hundred sixty-four thousand, three hundred eleven".