18680279374 has 16 divisors (see below), whose sum is σ = 28442249280. Its totient is φ = 9199872000.

The previous prime is 18680279369. The next prime is 18680279389. The reversal of 18680279374 is 47397208681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24462 + ... + 194830.

It is an arithmetic number, because the mean of its divisors is an integer number (1777640580).

Almost surely, 2^18680279374 is an apocalyptic number.

18680279374 is a deficient number, since it is larger than the sum of its proper divisors (9761969906).

18680279374 is a wasteful number, since it uses less digits than its factorization.

18680279374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171195.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 18680279374 in words is "eighteen billion, six hundred eighty million, two hundred seventy-nine thousand, three hundred seventy-four".