18419928995 has 32 divisors (see below), whose sum is σ = 25397064000. Its totient is φ = 12704440320.

The previous prime is 18419928953. The next prime is 18419929007. The reversal of 18419928995 is 59982991481.

It is not a de Polignac number, because 18419928995 - 2⁸ = 18419928739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81131 + ... + 208379.

It is an arithmetic number, because the mean of its divisors is an integer number (793658250).

Almost surely, 2^18419928995 is an apocalyptic number.

18419928995 is a deficient number, since it is larger than the sum of its proper divisors (6977135005).

18419928995 is a wasteful number, since it uses less digits than its factorization.

18419928995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127415.

The product of its digits is 16796160, while the sum is 65.

The spelling of 18419928995 in words is "eighteen billion, four hundred nineteen million, nine hundred twenty-eight thousand, nine hundred ninety-five".