5644560731 has 2 divisors, whose sum is σ = 5644560732. Its totient is φ = 5644560730.

The previous prime is 5644560671. The next prime is 5644560769. The reversal of 5644560731 is 1370654465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5644560731 - 2¹⁰ = 5644559707 is a prime.

It is a super-2 number, since 2×5644560731² = 63722131691894508722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5644560781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822280365 + 2822280366.

It is an arithmetic number, because the mean of its divisors is an integer number (2822280366).

Almost surely, 2^5644560731 is an apocalyptic number.

5644560731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644560731 is an equidigital number, since it uses as much as digits as its factorization.

5644560731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 5644560731 is about 75130.2917004852. The cubic root of 5644560731 is about 1780.5057615754.

The spelling of 5644560731 in words is "five billion, six hundred forty-four million, five hundred sixty thousand, seven hundred thirty-one".