409116835979 has 2 divisors, whose sum is σ = 409116835980. Its totient is φ = 409116835978.

The previous prime is 409116835901. The next prime is 409116836003. The reversal of 409116835979 is 979538611904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409116835979 - 2²⁰ = 409115787403 is a prime.

It is a super-3 number, since 3×409116835979³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (409116835279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204558417989 + 204558417990.

It is an arithmetic number, because the mean of its divisors is an integer number (204558417990).

Almost surely, 2^409116835979 is an apocalyptic number.

409116835979 is a deficient number, since it is larger than the sum of its proper divisors (1).

409116835979 is an equidigital number, since it uses as much as digits as its factorization.

409116835979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 409116835979 in words is "four hundred nine billion, one hundred sixteen million, eight hundred thirty-five thousand, nine hundred seventy-nine".