18929757030 has 16 divisors (see below), whose sum is σ = 45431416944. Its totient is φ = 5047935200.

The previous prime is 18929756971. The next prime is 18929757043. The reversal of 18929757030 is 3075792981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315495921 + ... + 315495980.

It is an arithmetic number, because the mean of its divisors is an integer number (2839463559).

Almost surely, 2^18929757030 is an apocalyptic number.

18929757030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18929757030 is an abundant number, since it is smaller than the sum of its proper divisors (26501659914).

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

18929757030 is a wasteful number, since it uses less digits than its factorization.

18929757030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630991911.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 18929757030 in words is "eighteen billion, nine hundred twenty-nine million, seven hundred fifty-seven thousand, thirty".