641514631041 has 24 divisors (see below), whose sum is σ = 931441904640. Its totient is φ = 425462328096.

The previous prime is 641514630947. The next prime is 641514631061. The reversal of 641514631041 is 140136415146.

641514631041 is a `hidden beast` number, since 6 + 4 + 1 + 5 + 14 + 631 + 0 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-641514631041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 641514630987 and 641514631005.

It is not an unprimeable number, because it can be changed into a prime (641514631061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1101670 + ... + 1580096.

It is an arithmetic number, because the mean of its divisors is an integer number (38810079360).

Almost surely, 2^641514631041 is an apocalyptic number.

It is an amenable number.

641514631041 is a deficient number, since it is larger than the sum of its proper divisors (289927273599).

641514631041 is a wasteful number, since it uses less digits than its factorization.

641514631041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479205 (or 479202 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 641514631041 in words is "six hundred forty-one billion, five hundred fourteen million, six hundred thirty-one thousand, forty-one".