18872002053 has 32 divisors (see below), whose sum is σ = 28687747200. Its totient is φ = 12254198400.

The previous prime is 18872002049. The next prime is 18872002081. The reversal of 18872002053 is 35020027881.

It is not a de Polignac number, because 18872002053 - 2² = 18872002049 is a prime.

It is a super-2 number, since 2×18872002053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18872001999 and 18872002017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18872002043) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 671463 + ... + 699003.

It is an arithmetic number, because the mean of its divisors is an integer number (896492100).

Almost surely, 2^18872002053 is an apocalyptic number.

It is an amenable number.

18872002053 is a deficient number, since it is larger than the sum of its proper divisors (9815745147).

18872002053 is a wasteful number, since it uses less digits than its factorization.

18872002053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28210 (or 28204 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 18872002053 in words is "eighteen billion, eight hundred seventy-two million, two thousand, fifty-three".