641316462541 has 8 divisors (see below), whose sum is σ = 645583403264. Its totient is φ = 637049782800.

The previous prime is 641316462469. The next prime is 641316462559. The reversal of 641316462541 is 145264613146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641316462541 - 2²⁵ = 641282908109 is a prime.

It is a super-2 number, since 2×641316462541² (a number of 24 digits) 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 (641316462571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9807631 + ... + 9872803.

It is an arithmetic number, because the mean of its divisors is an integer number (80697925408).

Almost surely, 2^641316462541 is an apocalyptic number.

It is an amenable number.

641316462541 is a deficient number, since it is larger than the sum of its proper divisors (4266940723).

641316462541 is a wasteful number, since it uses less digits than its factorization.

641316462541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130491.

The product of its digits is 414720, while the sum is 43.

The spelling of 641316462541 in words is "six hundred forty-one billion, three hundred sixteen million, four hundred sixty-two thousand, five hundred forty-one".