402112090319 has 4 divisors (see below), whose sum is σ = 411919702320. Its totient is φ = 392304478320.

The previous prime is 402112090301. The next prime is 402112090363. The reversal of 402112090319 is 913090211204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402112090319 - 2⁸ = 402112090063 is a prime.

It is a super-2 number, since 2×402112090319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402112090519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4903805939 + ... + 4903806020.

It is an arithmetic number, because the mean of its divisors is an integer number (102979925580).

Almost surely, 2^402112090319 is an apocalyptic number.

402112090319 is a deficient number, since it is larger than the sum of its proper divisors (9807612001).

402112090319 is an equidigital number, since it uses as much as digits as its factorization.

402112090319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807612000.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 402112090319 in words is "four hundred two billion, one hundred twelve million, ninety thousand, three hundred nineteen".