904252404252409 has 16 divisors (see below), whose sum is σ = 948667864513536. Its totient is φ = 860900192568000.

The previous prime is 904252404252401. The next prime is 904252404252443.

904252404252409 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 904252404252409 - 2³ = 904252404252401 is a prime.

It is a super-2 number, since 2×904252404252409² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (904252404252401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919273597 + ... + 920256730.

It is an arithmetic number, because the mean of its divisors is an integer number (59291741532096).

Almost surely, 2^{904252404252409} is an apocalyptic number.

It is an amenable number.

904252404252409 is a deficient number, since it is larger than the sum of its proper divisors (44415460261127).

904252404252409 is a wasteful number, since it uses less digits than its factorization.

904252404252409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839530616.

The product of its (nonzero) digits is 8294400, while the sum is 52.

It can be divided in two parts, 90425240 and 4252409, that added together give a palindrome (94677649).

The spelling of 904252404252409 in words is "nine hundred four trillion, two hundred fifty-two billion, four hundred four million, two hundred fifty-two thousand, four hundred nine".