18970486725 has 12 divisors (see below), whose sum is σ = 31364538176. Its totient is φ = 10117592880.

The previous prime is 18970486699. The next prime is 18970486741. The reversal of 18970486725 is 52768407981.

It is not a de Polignac number, because 18970486725 - 2¹⁰ = 18970485701 is a prime.

It is a Duffinian 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, 126469837 + ... + 126469986.

Almost surely, 2^18970486725 is an apocalyptic number.

18970486725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18970486725 is a deficient number, since it is larger than the sum of its proper divisors (12394051451).

18970486725 is a wasteful number, since it uses less digits than its factorization.

18970486725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252939836 (or 252939831 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 18970486725 in words is "eighteen billion, nine hundred seventy million, four hundred eighty-six thousand, seven hundred twenty-five".