812465489 has 8 divisors (see below), whose sum is σ = 890303232. Its totient is φ = 735290640.

The previous prime is 812465483. The next prime is 812465491. The reversal of 812465489 is 984564218.

812465489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 812465489 - 2⁴ = 812465473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812465483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163154 + ... + 168059.

It is an arithmetic number, because the mean of its divisors is an integer number (111287904).

Almost surely, 2^812465489 is an apocalyptic number.

It is an amenable number.

812465489 is a deficient number, since it is larger than the sum of its proper divisors (77837743).

812465489 is a wasteful number, since it uses less digits than its factorization.

812465489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331447.

The product of its digits is 552960, while the sum is 47.

The square root of 812465489 is about 28503.7802580640. The cubic root of 812465489 is about 933.1145774590.

The spelling of 812465489 in words is "eight hundred twelve million, four hundred sixty-five thousand, four hundred eighty-nine".