18959016730 has 16 divisors (see below), whose sum is σ = 34191490464. Its totient is φ = 7569104400.

The previous prime is 18959016691. The next prime is 18959016749. The reversal of 18959016730 is 3761095981.

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, 1807296 + ... + 1817755.

It is an arithmetic number, because the mean of its divisors is an integer number (2136968154).

Almost surely, 2^18959016730 is an apocalyptic number.

18959016730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18959016730 is a deficient number, since it is larger than the sum of its proper divisors (15232473734).

18959016730 is a wasteful number, since it uses less digits than its factorization.

18959016730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625581.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 18959016730 in words is "eighteen billion, nine hundred fifty-nine million, sixteen thousand, seven hundred thirty".