402999420699 has 6 divisors (see below), whose sum is σ = 582110274356. Its totient is φ = 268666280460.

The previous prime is 402999420679. The next prime is 402999420749. The reversal of 402999420699 is 996024999204.

402999420699 is a `hidden beast` number, since 40 + 29 + 99 + 420 + 69 + 9 = 666.

It is not a de Polignac number, because 402999420699 - 2²⁸ = 402730985243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402999420679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22388856697 + ... + 22388856714.

Almost surely, 2^402999420699 is an apocalyptic number.

402999420699 is a deficient number, since it is larger than the sum of its proper divisors (179110853657).

402999420699 is a wasteful number, since it uses less digits than its factorization.

402999420699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44777713417 (or 44777713414 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 402999420699 in words is "four hundred two billion, nine hundred ninety-nine million, four hundred twenty thousand, six hundred ninety-nine".