1270660275539 has 2 divisors, whose sum is σ = 1270660275540. Its totient is φ = 1270660275538.

The previous prime is 1270660275527. The next prime is 1270660275569. The reversal of 1270660275539 is 9355720660721.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1270660275539 is a prime.

It is a super-2 number, since 2×1270660275539² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270660275569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635330137769 + 635330137770.

It is an arithmetic number, because the mean of its divisors is an integer number (635330137770).

Almost surely, 2^{1270660275539} is an apocalyptic number.

1270660275539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270660275539 is an equidigital number, since it uses as much as digits as its factorization.

1270660275539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 1270660275539 in words is "one trillion, two hundred seventy billion, six hundred sixty million, two hundred seventy-five thousand, five hundred thirty-nine".