402424404149 has 2 divisors, whose sum is σ = 402424404150. Its totient is φ = 402424404148.

The previous prime is 402424404127. The next prime is 402424404259. The reversal of 402424404149 is 941404424204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279095607025 + 123328797124 = 528295^2 + 351182^2 .

It is a cyclic number.

It is not a de Polignac number, because 402424404149 - 2²⁰ = 402423355573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402424434149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201212202074 + 201212202075.

It is an arithmetic number, because the mean of its divisors is an integer number (201212202075).

Almost surely, 2^402424404149 is an apocalyptic number.

It is an amenable number.

402424404149 is a deficient number, since it is larger than the sum of its proper divisors (1).

402424404149 is an equidigital number, since it uses as much as digits as its factorization.

402424404149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 402424404149 in words is "four hundred two billion, four hundred twenty-four million, four hundred four thousand, one hundred forty-nine".