2257068469 has 2 divisors, whose sum is σ = 2257068470. Its totient is φ = 2257068468.

The previous prime is 2257068431. The next prime is 2257068493. The reversal of 2257068469 is 9648607522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1878182244 + 378886225 = 43338^2 + 19465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257068469 - 2⁹ = 2257067957 is a prime.

It is a super-2 number, since 2×2257068469² = 10188716147508007922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2257060469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128534234 + 1128534235.

It is an arithmetic number, because the mean of its divisors is an integer number (1128534235).

Almost surely, 2^2257068469 is an apocalyptic number.

It is an amenable number.

2257068469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257068469 is an equidigital number, since it uses as much as digits as its factorization.

2257068469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 2257068469 is about 47508.6146819711. The cubic root of 2257068469 is about 1311.7414574345.

The spelling of 2257068469 in words is "two billion, two hundred fifty-seven million, sixty-eight thousand, four hundred sixty-nine".