5639077709 has 2 divisors, whose sum is σ = 5639077710. Its totient is φ = 5639077708.

The previous prime is 5639077679. The next prime is 5639077733. The reversal of 5639077709 is 9077709365.

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., 5254800100 + 384277609 = 72490^2 + 19603^2 .

It is a cyclic number.

It is not a de Polignac number, because 5639077709 - 2⁸ = 5639077453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5639077109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819538854 + 2819538855.

It is an arithmetic number, because the mean of its divisors is an integer number (2819538855).

Almost surely, 2^5639077709 is an apocalyptic number.

It is an amenable number.

5639077709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639077709 is an equidigital number, since it uses as much as digits as its factorization.

5639077709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500470, while the sum is 53.

The square root of 5639077709 is about 75093.7927461385. The cubic root of 5639077709 is about 1779.9290580025.

The spelling of 5639077709 in words is "five billion, six hundred thirty-nine million, seventy-seven thousand, seven hundred nine".