6321331249 has 2 divisors, whose sum is σ = 6321331250. Its totient is φ = 6321331248.

The previous prime is 6321331183. The next prime is 6321331297. The reversal of 6321331249 is 9421331236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4516780849 + 1804550400 = 67207^2 + 42480^2 .

It is a cyclic number.

It is not a de Polignac number, because 6321331249 - 2²⁹ = 5784460337 is a prime.

It is not a weakly prime, because it can be changed into another prime (6321331649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160665624 + 3160665625.

It is an arithmetic number, because the mean of its divisors is an integer number (3160665625).

Almost surely, 2^6321331249 is an apocalyptic number.

It is an amenable number.

6321331249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6321331249 is an equidigital number, since it uses as much as digits as its factorization.

6321331249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 6321331249 is about 79506.8000173570. The cubic root of 6321331249 is about 1848.9968994926.

The spelling of 6321331249 in words is "six billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred forty-nine".