5644248497 has 2 divisors, whose sum is σ = 5644248498. Its totient is φ = 5644248496.

The previous prime is 5644248473. The next prime is 5644248517. The reversal of 5644248497 is 7948424465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4898740081 + 745508416 = 69991^2 + 27304^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644248497 - 2²⁰ = 5643199921 is a prime.

It is not a weakly prime, because it can be changed into another prime (5644248097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822124248 + 2822124249.

It is an arithmetic number, because the mean of its divisors is an integer number (2822124249).

Almost surely, 2^5644248497 is an apocalyptic number.

It is an amenable number.

5644248497 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644248497 is an equidigital number, since it uses as much as digits as its factorization.

5644248497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 53.

The square root of 5644248497 is about 75128.2137216106. The cubic root of 5644248497 is about 1780.4729308726.

The spelling of 5644248497 in words is "five billion, six hundred forty-four million, two hundred forty-eight thousand, four hundred ninety-seven".