279324934081 has 2 divisors, whose sum is σ = 279324934082. Its totient is φ = 279324934080.

The previous prime is 279324934069. The next prime is 279324934169. The reversal of 279324934081 is 180439423972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144867778225 + 134457155856 = 380615^2 + 366684^2 .

It is a cyclic number.

It is not a de Polignac number, because 279324934081 - 2²¹ = 279322836929 is a prime.

It is a super-2 number, since 2×279324934081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (279324934051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139662467040 + 139662467041.

It is an arithmetic number, because the mean of its divisors is an integer number (139662467041).

Almost surely, 2^279324934081 is an apocalyptic number.

It is an amenable number.

279324934081 is a deficient number, since it is larger than the sum of its proper divisors (1).

279324934081 is an equidigital number, since it uses as much as digits as its factorization.

279324934081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 279324934081 in words is "two hundred seventy-nine billion, three hundred twenty-four million, nine hundred thirty-four thousand, eighty-one".