149018979856904 has 64 divisors (see below), whose sum is σ = 285517525708800. Its totient is φ = 72898065576000.

The previous prime is 149018979856883. The next prime is 149018979856927. The reversal of 149018979856904 is 409658979810941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82039277 + ... + 83836035.

It is an arithmetic number, because the mean of its divisors is an integer number (4461211339200).

Almost surely, 2^{149018979856904} is an apocalyptic number.

It is an amenable number.

149018979856904 is a deficient number, since it is larger than the sum of its proper divisors (136498545851896).

149018979856904 is a wasteful number, since it uses less digits than its factorization.

149018979856904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797954 (or 1797950 counting only the distinct ones).

The product of its (nonzero) digits is 1410877440, while the sum is 80.

The spelling of 149018979856904 in words is "one hundred forty-nine trillion, eighteen billion, nine hundred seventy-nine million, eight hundred fifty-six thousand, nine hundred four".