5431176644 has 12 divisors (see below), whose sum is σ = 9505099968. Its totient is φ = 2715433800.

The previous prime is 5431176623. The next prime is 5431176649. The reversal of 5431176644 is 4466711345.

It is a super-2 number, since 2×5431176644² = 58995359476662205472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5431176649) 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, 83009 + ... + 133239.

It is an arithmetic number, because the mean of its divisors is an integer number (792091664).

Almost surely, 2^5431176644 is an apocalyptic number.

It is an amenable number.

5431176644 is a deficient number, since it is larger than the sum of its proper divisors (4073923324).

5431176644 is a wasteful number, since it uses less digits than its factorization.

5431176644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77266 (or 77264 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 5431176644 is about 73696.5171768653. The cubic root of 5431176644 is about 1757.7805015429.

Adding to 5431176644 its reverse (4466711345), we get a palindrome (9897887989).

The spelling of 5431176644 in words is "five billion, four hundred thirty-one million, one hundred seventy-six thousand, six hundred forty-four".