409659123163 has 2 divisors, whose sum is σ = 409659123164. Its totient is φ = 409659123162.

The previous prime is 409659123121. The next prime is 409659123193. The reversal of 409659123163 is 361321956904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409659123163 - 2²⁹ = 409122252251 is a prime.

It is not a weakly prime, because it can be changed into another prime (409659123103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204829561581 + 204829561582.

It is an arithmetic number, because the mean of its divisors is an integer number (204829561582).

Almost surely, 2^409659123163 is an apocalyptic number.

409659123163 is a deficient number, since it is larger than the sum of its proper divisors (1).

409659123163 is an equidigital number, since it uses as much as digits as its factorization.

409659123163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 409659123163 in words is "four hundred nine billion, six hundred fifty-nine million, one hundred twenty-three thousand, one hundred sixty-three".