6939469597 has 2 divisors, whose sum is σ = 6939469598. Its totient is φ = 6939469596.

The previous prime is 6939469553. The next prime is 6939469601. The reversal of 6939469597 is 7959649396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4144655641 + 2794813956 = 64379^2 + 52866^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939469597 - 2⁷ = 6939469469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6939469297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469734798 + 3469734799.

It is an arithmetic number, because the mean of its divisors is an integer number (3469734799).

Almost surely, 2^6939469597 is an apocalyptic number.

It is an amenable number.

6939469597 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939469597 is an equidigital number, since it uses as much as digits as its factorization.

6939469597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99202320, while the sum is 67.

The square root of 6939469597 is about 83303.4789009439. The cubic root of 6939469597 is about 1907.4013797913.

The spelling of 6939469597 in words is "six billion, nine hundred thirty-nine million, four hundred sixty-nine thousand, five hundred ninety-seven".