402406624073 has 2 divisors, whose sum is σ = 402406624074. Its totient is φ = 402406624072.

The previous prime is 402406624063. The next prime is 402406624129. The reversal of 402406624073 is 370426604204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258620051209 + 143786572864 = 508547^2 + 379192^2 .

It is a cyclic number.

It is not a de Polignac number, because 402406624073 - 2¹⁴ = 402406607689 is a prime.

It is not a weakly prime, because it can be changed into another prime (402406624013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201203312036 + 201203312037.

It is an arithmetic number, because the mean of its divisors is an integer number (201203312037).

Almost surely, 2^402406624073 is an apocalyptic number.

It is an amenable number.

402406624073 is a deficient number, since it is larger than the sum of its proper divisors (1).

402406624073 is an equidigital number, since it uses as much as digits as its factorization.

402406624073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 402406624073 in words is "four hundred two billion, four hundred six million, six hundred twenty-four thousand, seventy-three".