279242020905179 has 2 divisors, whose sum is σ = 279242020905180. Its totient is φ = 279242020905178.

The previous prime is 279242020905139. The next prime is 279242020905191. The reversal of 279242020905179 is 971509020242972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 279242020905179 - 2²⁰ = 279242019856603 is a prime.

It is a super-2 number, since 2×279242020905179² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (279242020905119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139621010452589 + 139621010452590.

It is an arithmetic number, because the mean of its divisors is an integer number (139621010452590).

Almost surely, 2^{279242020905179} is an apocalyptic number.

279242020905179 is a deficient number, since it is larger than the sum of its proper divisors (1).

279242020905179 is an equidigital number, since it uses as much as digits as its factorization.

279242020905179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 279242020905179 in words is "two hundred seventy-nine trillion, two hundred forty-two billion, twenty million, nine hundred five thousand, one hundred seventy-nine".