253451140093 has 2 divisors, whose sum is σ = 253451140094. Its totient is φ = 253451140092.

The previous prime is 253451140069. The next prime is 253451140097. The reversal of 253451140093 is 390041154352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177926206969 + 75524933124 = 421813^2 + 274818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253451140093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253451140097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126725570046 + 126725570047.

It is an arithmetic number, because the mean of its divisors is an integer number (126725570047).

Almost surely, 2^253451140093 is an apocalyptic number.

It is an amenable number.

253451140093 is a deficient number, since it is larger than the sum of its proper divisors (1).

253451140093 is an equidigital number, since it uses as much as digits as its factorization.

253451140093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 253451140093 in words is "two hundred fifty-three billion, four hundred fifty-one million, one hundred forty thousand, ninety-three".