18774486380705 has 8 divisors (see below), whose sum is σ = 24577509443904. Its totient is φ = 13654171913200.

The previous prime is 18774486380681. The next prime is 18774486380723. The reversal of 18774486380705 is 50708368447781.

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

It is not a de Polignac number, because 18774486380705 - 2⁸ = 18774486380449 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 170677148861 + ... + 170677148970.

It is an arithmetic number, because the mean of its divisors is an integer number (3072188680488).

Almost surely, 2^{18774486380705} is an apocalyptic number.

It is an amenable number.

18774486380705 is a deficient number, since it is larger than the sum of its proper divisors (5803023063199).

18774486380705 is a wasteful number, since it uses less digits than its factorization.

18774486380705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341354297847.

The product of its (nonzero) digits is 252887040, while the sum is 68.

It can be divided in two parts, 18774486 and 380705, that added together give a palindrome (19155191).

The spelling of 18774486380705 in words is "eighteen trillion, seven hundred seventy-four billion, four hundred eighty-six million, three hundred eighty thousand, seven hundred five".