18901574289004 has 24 divisors (see below), whose sum is σ = 36085490412048. Its totient is φ = 8591465922240.

The previous prime is 18901574288981. The next prime is 18901574289007. The reversal of 18901574289004 is 40098247510981.

It is a self number, because there is not a number n which added to its sum of digits gives 18901574289004.

It is not an unprimeable number, because it can be changed into a prime (18901574289007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543927 + ... + 6339310.

It is an arithmetic number, because the mean of its divisors is an integer number (1503562100502).

Almost surely, 2^{18901574289004} is an apocalyptic number.

It is an amenable number.

18901574289004 is a deficient number, since it is larger than the sum of its proper divisors (17183916123044).

18901574289004 is a wasteful number, since it uses less digits than its factorization.

18901574289004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7937745 (or 7937743 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 18901574289004 in words is "eighteen trillion, nine hundred one billion, five hundred seventy-four million, two hundred eighty-nine thousand, four".