312164974489 has 8 divisors (see below), whose sum is σ = 317464636320. Its totient is φ = 306865603776.

The previous prime is 312164974483. The next prime is 312164974529. The reversal of 312164974489 is 984479461213.

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 312164974489 - 2⁹ = 312164973977 is a prime.

It is a super-2 number, since 2×312164974489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312164974483) 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, 4179894 + ... + 4253920.

It is an arithmetic number, because the mean of its divisors is an integer number (39683079540).

Almost surely, 2^312164974489 is an apocalyptic number.

It is an amenable number.

312164974489 is a deficient number, since it is larger than the sum of its proper divisors (5299661831).

312164974489 is an equidigital number, since it uses as much as digits as its factorization.

312164974489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145559.

The product of its digits is 10450944, while the sum is 58.

The spelling of 312164974489 in words is "three hundred twelve billion, one hundred sixty-four million, nine hundred seventy-four thousand, four hundred eighty-nine".