7256949277 has 2 divisors, whose sum is σ = 7256949278. Its totient is φ = 7256949276.

The previous prime is 7256949253. The next prime is 7256949313. The reversal of 7256949277 is 7729496527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4091649156 + 3165300121 = 63966^2 + 56261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7256949277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7256949377) 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, 3628474638 + 3628474639.

It is an arithmetic number, because the mean of its divisors is an integer number (3628474639).

Almost surely, 2^7256949277 is an apocalyptic number.

It is an amenable number.

7256949277 is a deficient number, since it is larger than the sum of its proper divisors (1).

7256949277 is an equidigital number, since it uses as much as digits as its factorization.

7256949277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 58.

The square root of 7256949277 is about 85187.7296152445. The cubic root of 7256949277 is about 1936.0565089095.

The spelling of 7256949277 in words is "seven billion, two hundred fifty-six million, nine hundred forty-nine thousand, two hundred seventy-seven".