2551963319 has 2 divisors, whose sum is σ = 2551963320. Its totient is φ = 2551963318.

The previous prime is 2551963261. The next prime is 2551963339. The reversal of 2551963319 is 9133691552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551963319 is a prime.

It is a super-2 number, since 2×2551963319² = 13025033563042991522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2551963319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551963339) 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, 1275981659 + 1275981660.

It is an arithmetic number, because the mean of its divisors is an integer number (1275981660).

Almost surely, 2^2551963319 is an apocalyptic number.

2551963319 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551963319 is an equidigital number, since it uses as much as digits as its factorization.

2551963319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 218700, while the sum is 44.

The square root of 2551963319 is about 50516.9607062816. The cubic root of 2551963319 is about 1366.5477430593.

The spelling of 2551963319 in words is "two billion, five hundred fifty-one million, nine hundred sixty-three thousand, three hundred nineteen".