1253424393731 has 2 divisors, whose sum is σ = 1253424393732. Its totient is φ = 1253424393730.

The previous prime is 1253424393707. The next prime is 1253424393743. The reversal of 1253424393731 is 1373934243521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253424393731 - 2³⁰ = 1252350651907 is a prime.

It is a super-2 number, since 2×1253424393731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1253424393761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626712196865 + 626712196866.

It is an arithmetic number, because the mean of its divisors is an integer number (626712196866).

Almost surely, 2^{1253424393731} is an apocalyptic number.

1253424393731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253424393731 is an equidigital number, since it uses as much as digits as its factorization.

1253424393731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 47.

The spelling of 1253424393731 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-four million, three hundred ninety-three thousand, seven hundred thirty-one".