18903076965448 has 64 divisors (see below), whose sum is σ = 38201487952320. Its totient is φ = 8717227948800.

The previous prime is 18903076965439. The next prime is 18903076965449. The reversal of 18903076965448 is 84456967030981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18903076965449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030636758 + ... + 1030655098.

It is an arithmetic number, because the mean of its divisors is an integer number (596898249255).

Almost surely, 2^{18903076965448} is an apocalyptic number.

It is an amenable number.

18903076965448 is an abundant number, since it is smaller than the sum of its proper divisors (19298410986872).

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

18903076965448 is a wasteful number, since it uses less digits than its factorization.

18903076965448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26078 (or 26074 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 70.

The spelling of 18903076965448 in words is "eighteen trillion, nine hundred three billion, seventy-six million, nine hundred sixty-five thousand, four hundred forty-eight".