8312804489 has 16 divisors (see below), whose sum is σ = 9343482624. Its totient is φ = 7330089600.

The previous prime is 8312804471. The next prime is 8312804519. The reversal of 8312804489 is 9844082138.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8312804489 - 2¹² = 8312800393 is a prime.

It is a super-2 number, since 2×8312804489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8312804429) 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, 24752 + ... + 131294.

It is an arithmetic number, because the mean of its divisors is an integer number (583967664).

Almost surely, 2^8312804489 is an apocalyptic number.

It is an amenable number.

8312804489 is a deficient number, since it is larger than the sum of its proper divisors (1030678135).

8312804489 is a wasteful number, since it uses less digits than its factorization.

8312804489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106768.

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 8312804489 is about 91174.5824723097. The cubic root of 8312804489 is about 2025.7344885477.

The spelling of 8312804489 in words is "eight billion, three hundred twelve million, eight hundred four thousand, four hundred eighty-nine".