5639571247 has 2 divisors, whose sum is σ = 5639571248. Its totient is φ = 5639571246.

The previous prime is 5639571209. The next prime is 5639571253. The reversal of 5639571247 is 7421759365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5639571247 - 2²³ = 5631182639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5639571247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5639571277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819785623 + 2819785624.

It is an arithmetic number, because the mean of its divisors is an integer number (2819785624).

Almost surely, 2^5639571247 is an apocalyptic number.

5639571247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639571247 is an equidigital number, since it uses as much as digits as its factorization.

5639571247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The square root of 5639571247 is about 75097.0788180206. The cubic root of 5639571247 is about 1779.9809835741.

The spelling of 5639571247 in words is "five billion, six hundred thirty-nine million, five hundred seventy-one thousand, two hundred forty-seven".