1279514880013 has 2 divisors, whose sum is σ = 1279514880014. Its totient is φ = 1279514880012.

The previous prime is 1279514879983. The next prime is 1279514880023. The reversal of 1279514880013 is 3100884159721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752058387369 + 527456492644 = 867213^2 + 726262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1279514880013 is a prime.

It is a super-3 number, since 3×1279514880013³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1279514880023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639757440006 + 639757440007.

It is an arithmetic number, because the mean of its divisors is an integer number (639757440007).

Almost surely, 2^{1279514880013} is an apocalyptic number.

It is an amenable number.

1279514880013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279514880013 is an equidigital number, since it uses as much as digits as its factorization.

1279514880013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 1279514880013 in words is "one trillion, two hundred seventy-nine billion, five hundred fourteen million, eight hundred eighty thousand, thirteen".