1253161822373 has 2 divisors, whose sum is σ = 1253161822374. Its totient is φ = 1253161822372.

The previous prime is 1253161822337. The next prime is 1253161822403. The reversal of 1253161822373 is 3732281613521.

Together with previous prime (1253161822337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836597427649 + 416564394724 = 914657^2 + 645418^2 .

It is an emirp because it is prime and its reverse (3732281613521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253161822373 - 2²² = 1253157628069 is a prime.

It is a super-2 number, since 2×1253161822373² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253161822873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626580911186 + 626580911187.

It is an arithmetic number, because the mean of its divisors is an integer number (626580911187).

Almost surely, 2^{1253161822373} is an apocalyptic number.

It is an amenable number.

1253161822373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253161822373 is an equidigital number, since it uses as much as digits as its factorization.

1253161822373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The spelling of 1253161822373 in words is "one trillion, two hundred fifty-three billion, one hundred sixty-one million, eight hundred twenty-two thousand, three hundred seventy-three".