402593469909 has 8 divisors (see below), whose sum is σ = 539198429952. Its totient is φ = 267192078240.

The previous prime is 402593469857. The next prime is 402593469917. The reversal of 402593469909 is 909964395204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402593469909 - 2¹⁹ = 402592945621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402593469709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300891312 + ... + 300892649.

It is an arithmetic number, because the mean of its divisors is an integer number (67399803744).

Almost surely, 2^402593469909 is an apocalyptic number.

It is an amenable number.

402593469909 is a deficient number, since it is larger than the sum of its proper divisors (136604960043).

402593469909 is a wasteful number, since it uses less digits than its factorization.

402593469909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601784187.

The product of its (nonzero) digits is 18895680, while the sum is 60.

The spelling of 402593469909 in words is "four hundred two billion, five hundred ninety-three million, four hundred sixty-nine thousand, nine hundred nine".