6314631641 has 4 divisors (see below), whose sum is σ = 6320109492. Its totient is φ = 6309153792.

The previous prime is 6314631637. The next prime is 6314631671. The reversal of 6314631641 is 1461364136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5864343241 + 450288400 = 76579^2 + 21220^2 .

It is a cyclic number.

It is not a de Polignac number, because 6314631641 - 2² = 6314631637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6314631671) 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, 2737196 + ... + 2739501.

It is an arithmetic number, because the mean of its divisors is an integer number (1580027373).

Almost surely, 2^6314631641 is an apocalyptic number.

It is an amenable number.

6314631641 is a deficient number, since it is larger than the sum of its proper divisors (5477851).

6314631641 is a wasteful number, since it uses less digits than its factorization.

6314631641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477850.

The product of its digits is 31104, while the sum is 35.

The square root of 6314631641 is about 79464.6565524573. The cubic root of 6314631641 is about 1848.3434541559.

Adding to 6314631641 its reverse (1461364136), we get a palindrome (7775995777).

The spelling of 6314631641 in words is "six billion, three hundred fourteen million, six hundred thirty-one thousand, six hundred forty-one".