6456590377 has 2 divisors, whose sum is σ = 6456590378. Its totient is φ = 6456590376.

The previous prime is 6456590341. The next prime is 6456590401. The reversal of 6456590377 is 7730956546.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5908843161 + 547747216 = 76869^2 + 23404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6456590377 is a prime.

It is not a weakly prime, because it can be changed into another prime (6456597377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228295188 + 3228295189.

It is an arithmetic number, because the mean of its divisors is an integer number (3228295189).

Almost surely, 2^6456590377 is an apocalyptic number.

It is an amenable number.

6456590377 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456590377 is an equidigital number, since it uses as much as digits as its factorization.

6456590377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The square root of 6456590377 is about 80352.9114407188. The cubic root of 6456590377 is about 1862.0917594322.

The spelling of 6456590377 in words is "six billion, four hundred fifty-six million, five hundred ninety thousand, three hundred seventy-seven".