15493120732 has 6 divisors (see below), whose sum is σ = 27112961288. Its totient is φ = 7746560364.

The previous prime is 15493120729. The next prime is 15493120757. The reversal of 15493120732 is 23702139451.

It is a junction number, because it is equal to n+sod(n) for n = 15493120691 and 15493120700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936640088 + ... + 1936640095.

Almost surely, 2^15493120732 is an apocalyptic number.

It is an amenable number.

15493120732 is a deficient number, since it is larger than the sum of its proper divisors (11619840556).

15493120732 is a wasteful number, since it uses less digits than its factorization.

15493120732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873280187 (or 3873280185 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 15493120732 in words is "fifteen billion, four hundred ninety-three million, one hundred twenty thousand, seven hundred thirty-two".