2257790429 has 2 divisors, whose sum is σ = 2257790430. Its totient is φ = 2257790428.

The previous prime is 2257790411. The next prime is 2257790443. The reversal of 2257790429 is 9240977522.

It is a happy number.

2257790429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2254065529 + 3724900 = 47477^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257790429 - 2¹⁶ = 2257724893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257790449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128895214 + 1128895215.

It is an arithmetic number, because the mean of its divisors is an integer number (1128895215).

Almost surely, 2^2257790429 is an apocalyptic number.

It is an amenable number.

2257790429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257790429 is an equidigital number, since it uses as much as digits as its factorization.

2257790429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 2257790429 is about 47516.2122753908. The cubic root of 2257790429 is about 1311.8813031266.

The spelling of 2257790429 in words is "two billion, two hundred fifty-seven million, seven hundred ninety thousand, four hundred twenty-nine".