402836469499 has 4 divisors (see below), whose sum is σ = 402953815336. Its totient is φ = 402719123664.

The previous prime is 402836469479. The next prime is 402836469509. The reversal of 402836469499 is 994964638204.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402836469499 is a prime.

It is a super-2 number, since 2×402836469499² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402836469499.

It is not an unprimeable number, because it can be changed into a prime (402836469479) 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, 58667769 + ... + 58674634.

It is an arithmetic number, because the mean of its divisors is an integer number (100738453834).

Almost surely, 2^402836469499 is an apocalyptic number.

402836469499 is a deficient number, since it is larger than the sum of its proper divisors (117345837).

402836469499 is a wasteful number, since it uses less digits than its factorization.

402836469499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117345836.

The product of its (nonzero) digits is 80621568, while the sum is 64.

The spelling of 402836469499 in words is "four hundred two billion, eight hundred thirty-six million, four hundred sixty-nine thousand, four hundred ninety-nine".