312239489973 has 8 divisors (see below), whose sum is σ = 438230863200. Its totient is φ = 197203888368.

The previous prime is 312239489893. The next prime is 312239489987. The reversal of 312239489973 is 379984932213.

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

It is not a de Polignac number, because 312239489973 - 2⁹ = 312239489461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312239489873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738942838 + ... + 2738942951.

It is an arithmetic number, because the mean of its divisors is an integer number (54778857900).

Almost surely, 2^312239489973 is an apocalyptic number.

It is an amenable number.

312239489973 is a deficient number, since it is larger than the sum of its proper divisors (125991373227).

312239489973 is a wasteful number, since it uses less digits than its factorization.

312239489973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477885811.

The product of its digits is 17635968, while the sum is 60.

The spelling of 312239489973 in words is "three hundred twelve billion, two hundred thirty-nine million, four hundred eighty-nine thousand, nine hundred seventy-three".