2259915457 has 2 divisors, whose sum is σ = 2259915458. Its totient is φ = 2259915456.

The previous prime is 2259915433. The next prime is 2259915473. The reversal of 2259915457 is 7545199522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1817402161 + 442513296 = 42631^2 + 21036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2259915457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2259915457.

It is not a weakly prime, because it can be changed into another prime (2259915257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129957728 + 1129957729.

It is an arithmetic number, because the mean of its divisors is an integer number (1129957729).

Almost surely, 2^2259915457 is an apocalyptic number.

It is an amenable number.

2259915457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259915457 is an equidigital number, since it uses as much as digits as its factorization.

2259915457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 49.

The square root of 2259915457 is about 47538.5681000175. The cubic root of 2259915457 is about 1312.2927541193.

The spelling of 2259915457 in words is "two billion, two hundred fifty-nine million, nine hundred fifteen thousand, four hundred fifty-seven".