18614874679446 has 8 divisors (see below), whose sum is σ = 37229749358904. Its totient is φ = 6204958226480.

The previous prime is 18614874679411. The next prime is 18614874679493. The reversal of 18614874679446 is 64497647841681.

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

18614874679446 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551239556615 + ... + 1551239556626.

It is an arithmetic number, because the mean of its divisors is an integer number (4653718669863).

Almost surely, 2^{18614874679446} is an apocalyptic number.

18614874679446 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.

18614874679446 is a wasteful number, since it uses less digits than its factorization.

18614874679446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102479113246.

The product of its digits is 1560674304, while the sum is 75.

The spelling of 18614874679446 in words is "eighteen trillion, six hundred fourteen billion, eight hundred seventy-four million, six hundred seventy-nine thousand, four hundred forty-six".