641095092 has 72 divisors (see below), whose sum is σ = 1871880192. Its totient is φ = 182841600.

The previous prime is 641095069. The next prime is 641095153. The reversal of 641095092 is 290590146.

641095092 is a `hidden beast` number, since 641 + 0 + 9 + 5 + 0 + 9 + 2 = 666.

641095092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641095092² = 822005833972976928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40884 + ... + 54347.

It is an arithmetic number, because the mean of its divisors is an integer number (25998336).

Almost surely, 2^641095092 is an apocalyptic number.

It is an amenable number.

641095092 is an abundant number, since it is smaller than the sum of its proper divisors (1230785100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641095092 is a wasteful number, since it uses less digits than its factorization.

641095092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95269 (or 95264 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 641095092 is about 25319.8556867925. The cubic root of 641095092 is about 862.2651176414.

The spelling of 641095092 in words is "six hundred forty-one million, ninety-five thousand, ninety-two".