405476362673 has 2 divisors, whose sum is σ = 405476362674. Its totient is φ = 405476362672.

The previous prime is 405476362651. The next prime is 405476362693. The reversal of 405476362673 is 376263674504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381592823824 + 23883538849 = 617732^2 + 154543^2 .

It is a cyclic number.

It is not a de Polignac number, because 405476362673 - 2⁶ = 405476362609 is a prime.

It is a super-2 number, since 2×405476362673² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405476362693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202738181336 + 202738181337.

It is an arithmetic number, because the mean of its divisors is an integer number (202738181337).

Almost surely, 2^405476362673 is an apocalyptic number.

It is an amenable number.

405476362673 is a deficient number, since it is larger than the sum of its proper divisors (1).

405476362673 is an equidigital number, since it uses as much as digits as its factorization.

405476362673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 53.

The spelling of 405476362673 in words is "four hundred five billion, four hundred seventy-six million, three hundred sixty-two thousand, six hundred seventy-three".