5644560769 has 2 divisors, whose sum is σ = 5644560770. Its totient is φ = 5644560768.

The previous prime is 5644560731. The next prime is 5644560781. The reversal of 5644560769 is 9670654465.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5533574544 + 110986225 = 74388^2 + 10535^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644560769 - 2¹³ = 5644552577 is a prime.

It is a super-2 number, since 2×5644560769² = 63722132549867742722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5644560799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822280384 + 2822280385.

It is an arithmetic number, because the mean of its divisors is an integer number (2822280385).

Almost surely, 2^5644560769 is an apocalyptic number.

It is an amenable number.

5644560769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644560769 is an equidigital number, since it uses as much as digits as its factorization.

5644560769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The square root of 5644560769 is about 75130.2919533792. The cubic root of 5644560769 is about 1780.5057655709.

The spelling of 5644560769 in words is "five billion, six hundred forty-four million, five hundred sixty thousand, seven hundred sixty-nine".