169314979 has 2 divisors, whose sum is σ = 169314980. Its totient is φ = 169314978.

The previous prime is 169314961. The next prime is 169314989. The reversal of 169314979 is 979413961.

It is a strong prime.

It is an emirp because it is prime and its reverse (979413961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169314979 - 2⁷ = 169314851 is a prime.

It is a super-2 number, since 2×169314979² = 57335124227540882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (169314949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84657489 + 84657490.

It is an arithmetic number, because the mean of its divisors is an integer number (84657490).

Almost surely, 2^169314979 is an apocalyptic number.

169314979 is a deficient number, since it is larger than the sum of its proper divisors (1).

169314979 is an equidigital number, since it uses as much as digits as its factorization.

169314979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 49.

The square root of 169314979 is about 13012.1089374475. The cubic root of 169314979 is about 553.2207490579.

The spelling of 169314979 in words is "one hundred sixty-nine million, three hundred fourteen thousand, nine hundred seventy-nine".