6321012997 has 8 divisors (see below), whose sum is σ = 6856934616. Its totient is φ = 5792189952.

The previous prime is 6321012991. The next prime is 6321013031. The reversal of 6321012997 is 7992101236.

It can be written as a sum of positive squares in 4 ways, for example, as 1793607201 + 4527405796 = 42351^2 + 67286^2 .

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 6321012997 - 2²³ = 6312624389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6321012991) 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, 1772788 + ... + 1776349.

It is an arithmetic number, because the mean of its divisors is an integer number (857116827).

Almost surely, 2^6321012997 is an apocalyptic number.

It is an amenable number.

6321012997 is a deficient number, since it is larger than the sum of its proper divisors (535921619).

6321012997 is a wasteful number, since it uses less digits than its factorization.

6321012997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549287.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 6321012997 is about 79504.7985784506. The cubic root of 6321012997 is about 1848.9658692758.

The spelling of 6321012997 in words is "six billion, three hundred twenty-one million, twelve thousand, nine hundred ninety-seven".