405476543473 has 2 divisors, whose sum is σ = 405476543474. Its totient is φ = 405476543472.

The previous prime is 405476543419. The next prime is 405476543489. The reversal of 405476543473 is 374345674504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336316485184 + 69160058289 = 579928^2 + 262983^2 .

It is a cyclic number.

It is not a de Polignac number, because 405476543473 - 2²⁹ = 404939672561 is a prime.

It is a super-2 number, since 2×405476543473² (a number of 24 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 405476543473.

It is not a weakly prime, because it can be changed into another prime (405476547473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202738271736 + 202738271737.

It is an arithmetic number, because the mean of its divisors is an integer number (202738271737).

Almost surely, 2^405476543473 is an apocalyptic number.

It is an amenable number.

405476543473 is a deficient number, since it is larger than the sum of its proper divisors (1).

405476543473 is an equidigital number, since it uses as much as digits as its factorization.

405476543473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16934400, while the sum is 52.

The spelling of 405476543473 in words is "four hundred five billion, four hundred seventy-six million, five hundred forty-three thousand, four hundred seventy-three".