6409597339 has 2 divisors, whose sum is σ = 6409597340. Its totient is φ = 6409597338.

The previous prime is 6409597321. The next prime is 6409597343. The reversal of 6409597339 is 9337959046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6409597339 - 2⁵ = 6409597307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6409597339.

It is not a weakly prime, because it can be changed into another prime (6409597739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204798669 + 3204798670.

It is an arithmetic number, because the mean of its divisors is an integer number (3204798670).

Almost surely, 2^6409597339 is an apocalyptic number.

6409597339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409597339 is an equidigital number, since it uses as much as digits as its factorization.

6409597339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The square root of 6409597339 is about 80059.9608980669. The cubic root of 6409597339 is about 1857.5631303782.

The spelling of 6409597339 in words is "six billion, four hundred nine million, five hundred ninety-seven thousand, three hundred thirty-nine".