405630517474211 has 2 divisors, whose sum is σ = 405630517474212. Its totient is φ = 405630517474210.

The previous prime is 405630517474159. The next prime is 405630517474219. The reversal of 405630517474211 is 112474715036504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405630517474211 - 2³⁴ = 405613337605027 is a prime.

It is a super-2 number, since 2×405630517474211² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405630517474211.

It is not a weakly prime, because it can be changed into another prime (405630517474219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202815258737105 + 202815258737106.

It is an arithmetic number, because the mean of its divisors is an integer number (202815258737106).

Almost surely, 2^{405630517474211} is an apocalyptic number.

405630517474211 is a deficient number, since it is larger than the sum of its proper divisors (1).

405630517474211 is an equidigital number, since it uses as much as digits as its factorization.

405630517474211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 405630517474211 in words is "four hundred five trillion, six hundred thirty billion, five hundred seventeen million, four hundred seventy-four thousand, two hundred eleven".