275516860613 has 2 divisors, whose sum is σ = 275516860614. Its totient is φ = 275516860612.

The previous prime is 275516860579. The next prime is 275516860627. The reversal of 275516860613 is 316068615572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275516860609 + 4 = 524897^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 275516860613 - 2⁸ = 275516860357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275516460613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137758430306 + 137758430307.

It is an arithmetic number, because the mean of its divisors is an integer number (137758430307).

Almost surely, 2^275516860613 is an apocalyptic number.

It is an amenable number.

275516860613 is a deficient number, since it is larger than the sum of its proper divisors (1).

275516860613 is an equidigital number, since it uses as much as digits as its factorization.

275516860613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 275516860613 in words is "two hundred seventy-five billion, five hundred sixteen million, eight hundred sixty thousand, six hundred thirteen".