14991893032 has 8 divisors (see below), whose sum is σ = 28109799450. Its totient is φ = 7495946512.

The previous prime is 14991893023. The next prime is 14991893047. The reversal of 14991893032 is 23039819941.

It can be written as a sum of positive squares in only one way, i.e., 12644102916 + 2347790116 = 112446^2 + 48454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936993307 + ... + 936993322.

Almost surely, 2^14991893032 is an apocalyptic number.

It is an amenable number.

14991893032 is a deficient number, since it is larger than the sum of its proper divisors (13117906418).

14991893032 is a wasteful number, since it uses less digits than its factorization.

14991893032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873986635 (or 1873986631 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 14991893032 in words is "fourteen billion, nine hundred ninety-one million, eight hundred ninety-three thousand, thirty-two".