5256776269 has 2 divisors, whose sum is σ = 5256776270. Its totient is φ = 5256776268.

The previous prime is 5256776257. The next prime is 5256776311. The reversal of 5256776269 is 9626776525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5136588900 + 120187369 = 71670^2 + 10963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5256776269 is a prime.

It is a super-2 number, since 2×5256776269² = 55267393484643120722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5256776069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628388134 + 2628388135.

It is an arithmetic number, because the mean of its divisors is an integer number (2628388135).

Almost surely, 2^5256776269 is an apocalyptic number.

It is an amenable number.

5256776269 is a deficient number, since it is larger than the sum of its proper divisors (1).

5256776269 is an equidigital number, since it uses as much as digits as its factorization.

5256776269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 55.

The square root of 5256776269 is about 72503.6293505367. The cubic root of 5256776269 is about 1738.7607625953.

The spelling of 5256776269 in words is "five billion, two hundred fifty-six million, seven hundred seventy-six thousand, two hundred sixty-nine".