193254117253 has 2 divisors, whose sum is σ = 193254117254. Its totient is φ = 193254117252.

The previous prime is 193254117197. The next prime is 193254117283. The reversal of 193254117253 is 352711452391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153916551684 + 39337565569 = 392322^2 + 198337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193254117253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193254117283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96627058626 + 96627058627.

It is an arithmetic number, because the mean of its divisors is an integer number (96627058627).

Almost surely, 2^193254117253 is an apocalyptic number.

It is an amenable number.

193254117253 is a deficient number, since it is larger than the sum of its proper divisors (1).

193254117253 is an equidigital number, since it uses as much as digits as its factorization.

193254117253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The spelling of 193254117253 in words is "one hundred ninety-three billion, two hundred fifty-four million, one hundred seventeen thousand, two hundred fifty-three".