5312566439 has 2 divisors, whose sum is σ = 5312566440. Its totient is φ = 5312566438.

The previous prime is 5312566417. The next prime is 5312566447. The reversal of 5312566439 is 9346652135.

5312566439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5312566439 - 2²⁴ = 5295789223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5312566439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312566639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656283219 + 2656283220.

It is an arithmetic number, because the mean of its divisors is an integer number (2656283220).

Almost surely, 2^5312566439 is an apocalyptic number.

5312566439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312566439 is an equidigital number, since it uses as much as digits as its factorization.

5312566439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 5312566439 is about 72887.3544519212. The cubic root of 5312566439 is about 1744.8902856283.

The spelling of 5312566439 in words is "five billion, three hundred twelve million, five hundred sixty-six thousand, four hundred thirty-nine".