18982490925 has 12 divisors (see below), whose sum is σ = 31384385120. Its totient is φ = 10123995120.

The previous prime is 18982490881. The next prime is 18982490953. The reversal of 18982490925 is 52909428981.

It is not a de Polignac number, because 18982490925 - 2⁶ = 18982490861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126549865 + ... + 126550014.

Almost surely, 2^18982490925 is an apocalyptic number.

18982490925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18982490925 is a deficient number, since it is larger than the sum of its proper divisors (12401894195).

18982490925 is a wasteful number, since it uses less digits than its factorization.

18982490925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253099892 (or 253099887 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 18982490925 in words is "eighteen billion, nine hundred eighty-two million, four hundred ninety thousand, nine hundred twenty-five".