901972579620 has 48 divisors (see below), whose sum is σ = 2886312256128. Its totient is φ = 206165160960.

The previous prime is 901972579523. The next prime is 901972579633. The reversal of 901972579620 is 26975279109.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073776461 + ... + 1073777300.

It is an arithmetic number, because the mean of its divisors is an integer number (60131505336).

Almost surely, 2^901972579620 is an apocalyptic number.

It is an amenable number.

901972579620 is an abundant number, since it is smaller than the sum of its proper divisors (1984339676508).

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

901972579620 is a wasteful number, since it uses less digits than its factorization.

901972579620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147553780 (or 2147553778 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 57.

The spelling of 901972579620 in words is "nine hundred one billion, nine hundred seventy-two million, five hundred seventy-nine thousand, six hundred twenty".