279937315123163 has 2 divisors, whose sum is σ = 279937315123164. Its totient is φ = 279937315123162.

The previous prime is 279937315123051. The next prime is 279937315123211. The reversal of 279937315123163 is 361321513739972.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 279937315123163 - 2¹² = 279937315119067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 279937315123096 and 279937315123105.

It is not a weakly prime, because it can be changed into another prime (279937315123363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139968657561581 + 139968657561582.

It is an arithmetic number, because the mean of its divisors is an integer number (139968657561582).

Almost surely, 2^{279937315123163} is an apocalyptic number.

279937315123163 is a deficient number, since it is larger than the sum of its proper divisors (1).

279937315123163 is an equidigital number, since it uses as much as digits as its factorization.

279937315123163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38578680, while the sum is 62.

The spelling of 279937315123163 in words is "two hundred seventy-nine trillion, nine hundred thirty-seven billion, three hundred fifteen million, one hundred twenty-three thousand, one hundred sixty-three".