402030421936259 has 2 divisors, whose sum is σ = 402030421936260. Its totient is φ = 402030421936258.

The previous prime is 402030421936193. The next prime is 402030421936261. The reversal of 402030421936259 is 952639124030204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402030421936259 - 2⁴⁸ = 120555445225603 is a prime.

Together with 402030421936261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402030421936279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201015210968129 + 201015210968130.

It is an arithmetic number, because the mean of its divisors is an integer number (201015210968130).

Almost surely, 2^{402030421936259} is an apocalyptic number.

402030421936259 is a deficient number, since it is larger than the sum of its proper divisors (1).

402030421936259 is an equidigital number, since it uses as much as digits as its factorization.

402030421936259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 402030421936259 in words is "four hundred two trillion, thirty billion, four hundred twenty-one million, nine hundred thirty-six thousand, two hundred fifty-nine".