10256263817 has 2 divisors, whose sum is σ = 10256263818. Its totient is φ = 10256263816.

The previous prime is 10256263793. The next prime is 10256263873. The reversal of 10256263817 is 71836265201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6081036361 + 4175227456 = 77981^2 + 64616^2 .

It is a cyclic number.

It is not a de Polignac number, because 10256263817 - 2¹² = 10256259721 is a prime.

It is not a weakly prime, because it can be changed into another prime (10256233817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128131908 + 5128131909.

It is an arithmetic number, because the mean of its divisors is an integer number (5128131909).

Almost surely, 2^10256263817 is an apocalyptic number.

It is an amenable number.

10256263817 is a deficient number, since it is larger than the sum of its proper divisors (1).

10256263817 is an equidigital number, since it uses as much as digits as its factorization.

10256263817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 10256263817 in words is "ten billion, two hundred fifty-six million, two hundred sixty-three thousand, eight hundred seventeen".