641525830422 has 16 divisors (see below), whose sum is σ = 1297467972720. Its totient is φ = 211439224832.

The previous prime is 641525830417. The next prime is 641525830441. The reversal of 641525830422 is 224038525146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600679083 + ... + 600680150.

It is an arithmetic number, because the mean of its divisors is an integer number (81091748295).

Almost surely, 2^641525830422 is an apocalyptic number.

641525830422 is an abundant number, since it is smaller than the sum of its proper divisors (655942142298).

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

641525830422 is a wasteful number, since it uses less digits than its factorization.

641525830422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201359327.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 641525830422 in words is "six hundred forty-one billion, five hundred twenty-five million, eight hundred thirty thousand, four hundred twenty-two".