402490024513 has 2 divisors, whose sum is σ = 402490024514. Its totient is φ = 402490024512.

The previous prime is 402490024511. The next prime is 402490024537. The reversal of 402490024513 is 315420094204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385278421264 + 17211603249 = 620708^2 + 131193^2 .

It is a cyclic number.

It is not a de Polignac number, because 402490024513 - 2¹ = 402490024511 is a prime.

Together with 402490024511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402490024511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201245012256 + 201245012257.

It is an arithmetic number, because the mean of its divisors is an integer number (201245012257).

Almost surely, 2^402490024513 is an apocalyptic number.

It is an amenable number.

402490024513 is a deficient number, since it is larger than the sum of its proper divisors (1).

402490024513 is an equidigital number, since it uses as much as digits as its factorization.

402490024513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 402490024513 in words is "four hundred two billion, four hundred ninety million, twenty-four thousand, five hundred thirteen".