279052739093 has 2 divisors, whose sum is σ = 279052739094. Its totient is φ = 279052739092.

The previous prime is 279052739057. The next prime is 279052739143. The reversal of 279052739093 is 390937250972.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188028038884 + 91024700209 = 433622^2 + 301703^2 .

It is a cyclic number.

It is not a de Polignac number, because 279052739093 - 2¹² = 279052734997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279052739023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139526369546 + 139526369547.

It is an arithmetic number, because the mean of its divisors is an integer number (139526369547).

Almost surely, 2^279052739093 is an apocalyptic number.

It is an amenable number.

279052739093 is a deficient number, since it is larger than the sum of its proper divisors (1).

279052739093 is an equidigital number, since it uses as much as digits as its factorization.

279052739093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6429780, while the sum is 56.

The spelling of 279052739093 in words is "two hundred seventy-nine billion, fifty-two million, seven hundred thirty-nine thousand, ninety-three".