253453431229 has 2 divisors, whose sum is σ = 253453431230. Its totient is φ = 253453431228.

The previous prime is 253453431139. The next prime is 253453431323. The reversal of 253453431229 is 922134354352.

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., 246113225604 + 7340205625 = 496098^2 + 85675^2 .

It is a cyclic number.

It is not a de Polignac number, because 253453431229 - 2³³ = 244863496637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253453431029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126726715614 + 126726715615.

It is an arithmetic number, because the mean of its divisors is an integer number (126726715615).

Almost surely, 2^253453431229 is an apocalyptic number.

It is an amenable number.

253453431229 is a deficient number, since it is larger than the sum of its proper divisors (1).

253453431229 is an equidigital number, since it uses as much as digits as its factorization.

253453431229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 43.

The spelling of 253453431229 in words is "two hundred fifty-three billion, four hundred fifty-three million, four hundred thirty-one thousand, two hundred twenty-nine".