279052739393 has 2 divisors, whose sum is σ = 279052739394. Its totient is φ = 279052739392.

The previous prime is 279052739281. The next prime is 279052739411. The reversal of 279052739393 is 393937250972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199851020209 + 79201719184 = 447047^2 + 281428^2 .

It is a cyclic number.

It is not a de Polignac number, because 279052739393 - 2²⁰ = 279051690817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (279052739093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139526369696 + 139526369697.

It is an arithmetic number, because the mean of its divisors is an integer number (139526369697).

Almost surely, 2^279052739393 is an apocalyptic number.

It is an amenable number.

279052739393 is a deficient number, since it is larger than the sum of its proper divisors (1).

279052739393 is an equidigital number, since it uses as much as digits as its factorization.

279052739393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19289340, while the sum is 59.

The spelling of 279052739393 in words is "two hundred seventy-nine billion, fifty-two million, seven hundred thirty-nine thousand, three hundred ninety-three".