18474820674 has 8 divisors (see below), whose sum is σ = 36949641360. Its totient is φ = 6158273556.

The previous prime is 18474820657. The next prime is 18474820697. The reversal of 18474820674 is 47602847481.

It is a sphenic number, since it is the product of 3 distinct primes.

18474820674 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539568384 + ... + 1539568395.

It is an arithmetic number, because the mean of its divisors is an integer number (4618705170).

Almost surely, 2^18474820674 is an apocalyptic number.

18474820674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18474820674 is a wasteful number, since it uses less digits than its factorization.

18474820674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079136784.

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 18474820674 in words is "eighteen billion, four hundred seventy-four million, eight hundred twenty thousand, six hundred seventy-four".