5680744639 has 2 divisors, whose sum is σ = 5680744640. Its totient is φ = 5680744638.

The previous prime is 5680744603. The next prime is 5680744669. The reversal of 5680744639 is 9364470865.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5680744639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5680744669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840372319 + 2840372320.

It is an arithmetic number, because the mean of its divisors is an integer number (2840372320).

Almost surely, 2^5680744639 is an apocalyptic number.

5680744639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5680744639 is an equidigital number, since it uses as much as digits as its factorization.

5680744639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 5680744639 is about 75370.7147305902. The cubic root of 5680744639 is about 1784.3022471430.

The spelling of 5680744639 in words is "five billion, six hundred eighty million, seven hundred forty-four thousand, six hundred thirty-nine".