6331644122377 has 16 divisors (see below), whose sum is σ = 7589858803200. Its totient is φ = 5168094625728.

The previous prime is 6331644122333. The next prime is 6331644122393. The reversal of 6331644122377 is 7732214461336.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6331644122377 - 2⁷ = 6331644122249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6331644122377.

It is not an unprimeable number, because it can be changed into a prime (6331644128377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260057002 + ... + 260081347.

It is an arithmetic number, because the mean of its divisors is an integer number (474366175200).

Almost surely, 2^{6331644122377} is an apocalyptic number.

It is an amenable number.

6331644122377 is a deficient number, since it is larger than the sum of its proper divisors (1258214680823).

6331644122377 is a wasteful number, since it uses less digits than its factorization.

6331644122377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520138440.

The product of its digits is 3048192, while the sum is 49.

The spelling of 6331644122377 in words is "six trillion, three hundred thirty-one billion, six hundred forty-four million, one hundred twenty-two thousand, three hundred seventy-seven".