7297398239 has 2 divisors, whose sum is σ = 7297398240. Its totient is φ = 7297398238.

The previous prime is 7297398217. The next prime is 7297398287. The reversal of 7297398239 is 9328937927.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7297398239 is a prime.

It is a super-2 number, since 2×7297398239² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7297398739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3648699119 + 3648699120.

It is an arithmetic number, because the mean of its divisors is an integer number (3648699120).

Almost surely, 2^7297398239 is an apocalyptic number.

7297398239 is a deficient number, since it is larger than the sum of its proper divisors (1).

7297398239 is an equidigital number, since it uses as much as digits as its factorization.

7297398239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 59.

The square root of 7297398239 is about 85424.8104416978. The cubic root of 7297398239 is about 1939.6469261271.

The spelling of 7297398239 in words is "seven billion, two hundred ninety-seven million, three hundred ninety-eight thousand, two hundred thirty-nine".