18929737952 has 24 divisors (see below), whose sum is σ = 38134620216. Its totient is φ = 9244755072.

The previous prime is 18929737921. The next prime is 18929737961. The reversal of 18929737952 is 25973792981.

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 3 ways as a sum of consecutive naturals, for example, 6877163 + ... + 6879914.

It is an arithmetic number, because the mean of its divisors is an integer number (1588942509).

Almost surely, 2^18929737952 is an apocalyptic number.

It is an amenable number.

18929737952 is an abundant number, since it is smaller than the sum of its proper divisors (19204882264).

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

18929737952 is a wasteful number, since it uses less digits than its factorization.

18929737952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13757130 (or 13757122 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 62.

The spelling of 18929737952 in words is "eighteen billion, nine hundred twenty-nine million, seven hundred thirty-seven thousand, nine hundred fifty-two".