68500107173591 has 2 divisors, whose sum is σ = 68500107173592. Its totient is φ = 68500107173590.

The previous prime is 68500107173513. The next prime is 68500107173651. The reversal of 68500107173591 is 19537170100586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68500107173591 - 2²⁶ = 68500040064727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68500107113591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34250053586795 + 34250053586796.

It is an arithmetic number, because the mean of its divisors is an integer number (34250053586796).

Almost surely, 2^{68500107173591} is an apocalyptic number.

68500107173591 is a deficient number, since it is larger than the sum of its proper divisors (1).

68500107173591 is an equidigital number, since it uses as much as digits as its factorization.

68500107173591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The spelling of 68500107173591 in words is "sixty-eight trillion, five hundred billion, one hundred seven million, one hundred seventy-three thousand, five hundred ninety-one".