1279774418675 has 6 divisors (see below), whose sum is σ = 1586920279188. Its totient is φ = 1023819534920.

The previous prime is 1279774418647. The next prime is 1279774418731. The reversal of 1279774418675 is 5768144779721.

It is a happy number.

It is not a de Polignac number, because 1279774418675 - 2⁴⁰ = 180262790899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25595488349 + ... + 25595488398.

It is an arithmetic number, because the mean of its divisors is an integer number (264486713198).

Almost surely, 2^{1279774418675} is an apocalyptic number.

1279774418675 is a deficient number, since it is larger than the sum of its proper divisors (307145860513).

1279774418675 is an equidigital number, since it uses as much as digits as its factorization.

1279774418675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51190976757 (or 51190976752 counting only the distinct ones).

The product of its digits is 165957120, while the sum is 68.

The spelling of 1279774418675 in words is "one trillion, two hundred seventy-nine billion, seven hundred seventy-four million, four hundred eighteen thousand, six hundred seventy-five".