748773254569 has 2 divisors, whose sum is σ = 748773254570. Its totient is φ = 748773254568.

The previous prime is 748773254461. The next prime is 748773254609. The reversal of 748773254569 is 965452377847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403485392025 + 345287862544 = 635205^2 + 587612^2 .

It is a cyclic number.

It is not a de Polignac number, because 748773254569 - 2³¹ = 746625770921 is a prime.

It is a super-2 number, since 2×748773254569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (748773254069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374386627284 + 374386627285.

It is an arithmetic number, because the mean of its divisors is an integer number (374386627285).

Almost surely, 2^748773254569 is an apocalyptic number.

It is an amenable number.

748773254569 is a deficient number, since it is larger than the sum of its proper divisors (1).

748773254569 is an equidigital number, since it uses as much as digits as its factorization.

748773254569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 355622400, while the sum is 67.

The spelling of 748773254569 in words is "seven hundred forty-eight billion, seven hundred seventy-three million, two hundred fifty-four thousand, five hundred sixty-nine".