1279406795274 has 16 divisors (see below), whose sum is σ = 2843126211840. Its totient is φ = 426468931740.

The previous prime is 1279406795197. The next prime is 1279406795281. The reversal of 1279406795274 is 4725976049721.

1279406795274 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 40 + 67 + 9 + 527 + 4 = 666.

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, 11846359162 + ... + 11846359269.

It is an arithmetic number, because the mean of its divisors is an integer number (177695388240).

Almost surely, 2^{1279406795274} is an apocalyptic number.

1279406795274 is an abundant number, since it is smaller than the sum of its proper divisors (1563719416566).

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

1279406795274 is a wasteful number, since it uses less digits than its factorization.

1279406795274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23692718442 (or 23692718436 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 1279406795274 in words is "one trillion, two hundred seventy-nine billion, four hundred six million, seven hundred ninety-five thousand, two hundred seventy-four".