641958326934 has 8 divisors (see below), whose sum is σ = 1283916653880. Its totient is φ = 213986108976.

The previous prime is 641958326923. The next prime is 641958326953. The reversal of 641958326934 is 439623859146.

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

641958326934 is an admirable number.

It is a super-2 number, since 2×641958326934² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53496527239 + ... + 53496527250.

It is an arithmetic number, because the mean of its divisors is an integer number (160489581735).

Almost surely, 2^641958326934 is an apocalyptic number.

641958326934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

641958326934 is a wasteful number, since it uses less digits than its factorization.

641958326934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106993054494.

The product of its digits is 33592320, while the sum is 60.

The spelling of 641958326934 in words is "six hundred forty-one billion, nine hundred fifty-eight million, three hundred twenty-six thousand, nine hundred thirty-four".