405226255633 has 2 divisors, whose sum is σ = 405226255634. Its totient is φ = 405226255632.

The previous prime is 405226255627. The next prime is 405226255649. The reversal of 405226255633 is 336552622504.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237820078224 + 167406177409 = 487668^2 + 409153^2 .

It is a cyclic number.

It is not a de Polignac number, because 405226255633 - 2⁵ = 405226255601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405226255633.

It is not a weakly prime, because it can be changed into another prime (405206255633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202613127816 + 202613127817.

It is an arithmetic number, because the mean of its divisors is an integer number (202613127817).

Almost surely, 2^405226255633 is an apocalyptic number.

It is an amenable number.

405226255633 is a deficient number, since it is larger than the sum of its proper divisors (1).

405226255633 is an equidigital number, since it uses as much as digits as its factorization.

405226255633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 405226255633 in words is "four hundred five billion, two hundred twenty-six million, two hundred fifty-five thousand, six hundred thirty-three".