8253431149 has 2 divisors, whose sum is σ = 8253431150. Its totient is φ = 8253431148.

The previous prime is 8253431111. The next prime is 8253431171. The reversal of 8253431149 is 9411343528.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7977705124 + 275726025 = 89318^2 + 16605^2 .

It is a cyclic number.

It is not a de Polignac number, because 8253431149 - 2⁹ = 8253430637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8253431189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126715574 + 4126715575.

It is an arithmetic number, because the mean of its divisors is an integer number (4126715575).

Almost surely, 2^8253431149 is an apocalyptic number.

It is an amenable number.

8253431149 is a deficient number, since it is larger than the sum of its proper divisors (1).

8253431149 is an equidigital number, since it uses as much as digits as its factorization.

8253431149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 8253431149 is about 90848.3965130921. The cubic root of 8253431149 is about 2020.9000946507.

The spelling of 8253431149 in words is "eight billion, two hundred fifty-three million, four hundred thirty-one thousand, one hundred forty-nine".