5644635127 has 2 divisors, whose sum is σ = 5644635128. Its totient is φ = 5644635126.

The previous prime is 5644635089. The next prime is 5644635173. The reversal of 5644635127 is 7215364465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5644635127 - 2³¹ = 3497151479 is a prime.

It is a super-2 number, since 2×5644635127² = 63723811433924612258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5644635727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822317563 + 2822317564.

It is an arithmetic number, because the mean of its divisors is an integer number (2822317564).

Almost surely, 2^5644635127 is an apocalyptic number.

5644635127 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644635127 is an equidigital number, since it uses as much as digits as its factorization.

5644635127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 43.

The square root of 5644635127 is about 75130.7868120653. The cubic root of 5644635127 is about 1780.5135839689.

The spelling of 5644635127 in words is "five billion, six hundred forty-four million, six hundred thirty-five thousand, one hundred twenty-seven".