18819056952 has 48 divisors (see below), whose sum is σ = 51190893000. Its totient is φ = 6245620416.

The previous prime is 18819056947. The next prime is 18819056983. The reversal of 18819056952 is 25965091881.

18819056952 is a `hidden beast` number, since 18 + 8 + 19 + 0 + 569 + 52 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554202 + ... + 587177.

Almost surely, 2^18819056952 is an apocalyptic number.

18819056952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18819056952 is an abundant number, since it is smaller than the sum of its proper divisors (32371836048).

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

18819056952 is a wasteful number, since it uses less digits than its factorization.

18819056952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141620 (or 1141613 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 54.

The spelling of 18819056952 in words is "eighteen billion, eight hundred nineteen million, fifty-six thousand, nine hundred fifty-two".