18494313524 has 24 divisors (see below), whose sum is σ = 33906817728. Its totient is φ = 8809856000.

The previous prime is 18494313503. The next prime is 18494313527. The reversal of 18494313524 is 42531349481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18494313527) 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, 377357 + ... + 423540.

It is an arithmetic number, because the mean of its divisors is an integer number (1412784072).

Almost surely, 2^18494313524 is an apocalyptic number.

It is an amenable number.

18494313524 is a deficient number, since it is larger than the sum of its proper divisors (15412504204).

18494313524 is a wasteful number, since it uses less digits than its factorization.

18494313524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801175 (or 801173 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The spelling of 18494313524 in words is "eighteen billion, four hundred ninety-four million, three hundred thirteen thousand, five hundred twenty-four".