797262255749 has 2 divisors, whose sum is σ = 797262255750. Its totient is φ = 797262255748.

The previous prime is 797262255743. The next prime is 797262255871. The reversal of 797262255749 is 947552262797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731721135649 + 65541120100 = 855407^2 + 256010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797262255749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797262255743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398631127874 + 398631127875.

It is an arithmetic number, because the mean of its divisors is an integer number (398631127875).

Almost surely, 2^797262255749 is an apocalyptic number.

It is an amenable number.

797262255749 is a deficient number, since it is larger than the sum of its proper divisors (1).

797262255749 is an equidigital number, since it uses as much as digits as its factorization.

797262255749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 133358400, while the sum is 65.

The spelling of 797262255749 in words is "seven hundred ninety-seven billion, two hundred sixty-two million, two hundred fifty-five thousand, seven hundred forty-nine".