18693253756 has 12 divisors (see below), whose sum is σ = 32761095192. Its totient is φ = 9332940848.

The previous prime is 18693253699. The next prime is 18693253801. The reversal of 18693253756 is 65735239681.

It is a junction number, because it is equal to n+sod(n) for n = 18693253697 and 18693253706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3418435 + ... + 3423898.

It is an arithmetic number, because the mean of its divisors is an integer number (2730091266).

Almost surely, 2^18693253756 is an apocalyptic number.

It is an amenable number.

18693253756 is a deficient number, since it is larger than the sum of its proper divisors (14067841436).

18693253756 is a wasteful number, since it uses less digits than its factorization.

18693253756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843020 (or 6843018 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 55.

The spelling of 18693253756 in words is "eighteen billion, six hundred ninety-three million, two hundred fifty-three thousand, seven hundred fifty-six".