6331173397 has 4 divisors (see below), whose sum is σ = 6347878720. Its totient is φ = 6314468076.

The previous prime is 6331173377. The next prime is 6331173403. The reversal of 6331173397 is 7933711336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6331173397 - 2¹⁹ = 6330649109 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 (6331173377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8352093 + ... + 8352850.

It is an arithmetic number, because the mean of its divisors is an integer number (1586969680).

Almost surely, 2^6331173397 is an apocalyptic number.

It is an amenable number.

6331173397 is a deficient number, since it is larger than the sum of its proper divisors (16705323).

6331173397 is a wasteful number, since it uses less digits than its factorization.

6331173397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16705322.

The product of its digits is 214326, while the sum is 43.

The square root of 6331173397 is about 79568.6709515749. The cubic root of 6331173397 is about 1849.9560152192.

The spelling of 6331173397 in words is "six billion, three hundred thirty-one million, one hundred seventy-three thousand, three hundred ninety-seven".