641874715727 has 8 divisors (see below), whose sum is σ = 735242112000. Its totient is φ = 548925071544.

The previous prime is 641874715609. The next prime is 641874715759. The reversal of 641874715727 is 727517478146.

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 641874715727 - 2¹⁶ = 641874650191 is a prime.

It is a super-2 number, since 2×641874715727² (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 (641874715127) 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, 104434727 + ... + 104440872.

It is an arithmetic number, because the mean of its divisors is an integer number (91905264000).

Almost surely, 2^641874715727 is an apocalyptic number.

641874715727 is a deficient number, since it is larger than the sum of its proper divisors (93367396273).

641874715727 is a wasteful number, since it uses less digits than its factorization.

641874715727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208876045.

The product of its digits is 18439680, while the sum is 59.

The spelling of 641874715727 in words is "six hundred forty-one billion, eight hundred seventy-four million, seven hundred fifteen thousand, seven hundred twenty-seven".