6992446290857 has 2 divisors, whose sum is σ = 6992446290858. Its totient is φ = 6992446290856.

The previous prime is 6992446290779. The next prime is 6992446290881. The reversal of 6992446290857 is 7580926442996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5895868715881 + 1096577574976 = 2428141^2 + 1047176^2 .

It is a cyclic number.

It is not a de Polignac number, because 6992446290857 - 2²² = 6992442096553 is a prime.

It is not a weakly prime, because it can be changed into another prime (6992446290257) 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, 3496223145428 + 3496223145429.

It is an arithmetic number, because the mean of its divisors is an integer number (3496223145429).

Almost surely, 2^{6992446290857} is an apocalyptic number.

It is an amenable number.

6992446290857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6992446290857 is an equidigital number, since it uses as much as digits as its factorization.

6992446290857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 6992446290857 in words is "six trillion, nine hundred ninety-two billion, four hundred forty-six million, two hundred ninety thousand, eight hundred fifty-seven".