993501590422 has 16 divisors (see below), whose sum is σ = 1625804520912. Its totient is φ = 451570897120.

The previous prime is 993501590401. The next prime is 993501590447. The reversal of 993501590422 is 224095105399.

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, 541453 + ... + 1510024.

It is an arithmetic number, because the mean of its divisors is an integer number (101612782557).

Almost surely, 2^993501590422 is an apocalyptic number.

993501590422 is a deficient number, since it is larger than the sum of its proper divisors (632302930490).

993501590422 is a wasteful number, since it uses less digits than its factorization.

993501590422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073503.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 993501590422 in words is "nine hundred ninety-three billion, five hundred one million, five hundred ninety thousand, four hundred twenty-two".