268170031373 has 2 divisors, whose sum is σ = 268170031374. Its totient is φ = 268170031372.

The previous prime is 268170031331. The next prime is 268170031387. The reversal of 268170031373 is 373130071862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158485202404 + 109684828969 = 398102^2 + 331187^2 .

It is a cyclic number.

It is not a de Polignac number, because 268170031373 - 2³² = 263875064077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268170031373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268170031573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134085015686 + 134085015687.

It is an arithmetic number, because the mean of its divisors is an integer number (134085015687).

Almost surely, 2^268170031373 is an apocalyptic number.

It is an amenable number.

268170031373 is a deficient number, since it is larger than the sum of its proper divisors (1).

268170031373 is an equidigital number, since it uses as much as digits as its factorization.

268170031373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 268170031373 in words is "two hundred sixty-eight billion, one hundred seventy million, thirty-one thousand, three hundred seventy-three".