2745263897 has 2 divisors, whose sum is σ = 2745263898. Its totient is φ = 2745263896.

The previous prime is 2745263881. The next prime is 2745263929. The reversal of 2745263897 is 7983625472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2714305801 + 30958096 = 52099^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745263897 - 2⁴ = 2745263881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2745263827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372631948 + 1372631949.

It is an arithmetic number, because the mean of its divisors is an integer number (1372631949).

Almost surely, 2^2745263897 is an apocalyptic number.

It is an amenable number.

2745263897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745263897 is an equidigital number, since it uses as much as digits as its factorization.

2745263897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The square root of 2745263897 is about 52395.2659789031. The cubic root of 2745263897 is about 1400.2149154758.

The spelling of 2745263897 in words is "two billion, seven hundred forty-five million, two hundred sixty-three thousand, eight hundred ninety-seven".