6692590397 has 2 divisors, whose sum is σ = 6692590398. Its totient is φ = 6692590396.

The previous prime is 6692590361. The next prime is 6692590409. The reversal of 6692590397 is 7930952966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6685678756 + 6911641 = 81766^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 6692590397 - 2¹⁴ = 6692574013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6692190397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3346295198 + 3346295199.

It is an arithmetic number, because the mean of its divisors is an integer number (3346295199).

Almost surely, 2^6692590397 is an apocalyptic number.

It is an amenable number.

6692590397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6692590397 is an equidigital number, since it uses as much as digits as its factorization.

6692590397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 56.

The square root of 6692590397 is about 81808.2538439735. The cubic root of 6692590397 is about 1884.5084189318.

The spelling of 6692590397 in words is "six billion, six hundred ninety-two million, five hundred ninety thousand, three hundred ninety-seven".