993909694320 has 160 divisors (see below), whose sum is σ = 3541517524800. Its totient is φ = 255903169536.

The previous prime is 993909694207. The next prime is 993909694391. The reversal of 993909694320 is 23496909399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7870867 + ... + 7996146.

It is an arithmetic number, because the mean of its divisors is an integer number (22134484530).

Almost surely, 2^993909694320 is an apocalyptic number.

993909694320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

993909694320 is an abundant number, since it is smaller than the sum of its proper divisors (2547607830480).

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

993909694320 is a wasteful number, since it uses less digits than its factorization.

993909694320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15867064 (or 15867052 counting only the distinct ones).

The product of its (nonzero) digits is 25509168, while the sum is 63.

The spelling of 993909694320 in words is "nine hundred ninety-three billion, nine hundred nine million, six hundred ninety-four thousand, three hundred twenty".