253440301109 has 2 divisors, whose sum is σ = 253440301110. Its totient is φ = 253440301108.

The previous prime is 253440301043. The next prime is 253440301117. The reversal of 253440301109 is 901103044352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222807600625 + 30632700484 = 472025^2 + 175022^2 .

It is a cyclic number.

It is not a de Polignac number, because 253440301109 - 2²⁴ = 253423523893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253440301409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126720150554 + 126720150555.

It is an arithmetic number, because the mean of its divisors is an integer number (126720150555).

Almost surely, 2^253440301109 is an apocalyptic number.

It is an amenable number.

253440301109 is a deficient number, since it is larger than the sum of its proper divisors (1).

253440301109 is an equidigital number, since it uses as much as digits as its factorization.

253440301109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 253440301109 in words is "two hundred fifty-three billion, four hundred forty million, three hundred one thousand, one hundred nine".