402094149979 has 2 divisors, whose sum is σ = 402094149980. Its totient is φ = 402094149978.

The previous prime is 402094149971. The next prime is 402094150013. The reversal of 402094149979 is 979941490204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402094149979 - 2³ = 402094149971 is a prime.

It is not a weakly prime, because it can be changed into another prime (402094149971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201047074989 + 201047074990.

It is an arithmetic number, because the mean of its divisors is an integer number (201047074990).

Almost surely, 2^402094149979 is an apocalyptic number.

402094149979 is a deficient number, since it is larger than the sum of its proper divisors (1).

402094149979 is an equidigital number, since it uses as much as digits as its factorization.

402094149979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 402094149979 in words is "four hundred two billion, ninety-four million, one hundred forty-nine thousand, nine hundred seventy-nine".