18953754476 has 12 divisors (see below), whose sum is σ = 33197403960. Its totient is φ = 9468781920.

The previous prime is 18953754409. The next prime is 18953754481. The reversal of 18953754476 is 67445735981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018561 + ... + 2027928.

It is an arithmetic number, because the mean of its divisors is an integer number (2766450330).

Almost surely, 2^18953754476 is an apocalyptic number.

It is an amenable number.

18953754476 is a deficient number, since it is larger than the sum of its proper divisors (14243649484).

18953754476 is a wasteful number, since it uses less digits than its factorization.

18953754476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047664 (or 4047662 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 59.

The spelling of 18953754476 in words is "eighteen billion, nine hundred fifty-three million, seven hundred fifty-four thousand, four hundred seventy-six".