641092571999 has 6 divisors (see below), whose sum is σ = 704672000760. Its totient is φ = 582811428980.

The previous prime is 641092571993. The next prime is 641092572011. The reversal of 641092571999 is 999175290146.

It is not a de Polignac number, because 641092571999 - 2³⁶ = 572373095263 is a prime.

It is a super-3 number, since 3×641092571999³ (a number of 36 digits) contains 333 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 (641092571993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2649142739 + ... + 2649142980.

It is an arithmetic number, because the mean of its divisors is an integer number (117445333460).

Almost surely, 2^641092571999 is an apocalyptic number.

641092571999 is a deficient number, since it is larger than the sum of its proper divisors (63579428761).

641092571999 is a wasteful number, since it uses less digits than its factorization.

641092571999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298285741 (or 5298285730 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 641092571999 in words is "six hundred forty-one billion, ninety-two million, five hundred seventy-one thousand, nine hundred ninety-nine".