2257892225549 has 2 divisors, whose sum is σ = 2257892225550. Its totient is φ = 2257892225548.

The previous prime is 2257892225543. The next prime is 2257892225581. The reversal of 2257892225549 is 9455222987522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2094286537225 + 163605688324 = 1447165^2 + 404482^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257892225549 - 2²⁴ = 2257875448333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2257892225491 and 2257892225500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257892225543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128946112774 + 1128946112775.

It is an arithmetic number, because the mean of its divisors is an integer number (1128946112775).

Almost surely, 2^{2257892225549} is an apocalyptic number.

It is an amenable number.

2257892225549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257892225549 is an equidigital number, since it uses as much as digits as its factorization.

2257892225549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576000, while the sum is 62.

The spelling of 2257892225549 in words is "two trillion, two hundred fifty-seven billion, eight hundred ninety-two million, two hundred twenty-five thousand, five hundred forty-nine".