68190954995159 has 2 divisors, whose sum is σ = 68190954995160. Its totient is φ = 68190954995158.

The previous prime is 68190954995089. The next prime is 68190954995231. The reversal of 68190954995159 is 95159945909186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68190954995159 - 2¹² = 68190954991063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68190924995159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34095477497579 + 34095477497580.

It is an arithmetic number, because the mean of its divisors is an integer number (34095477497580).

Almost surely, 2^{68190954995159} is an apocalyptic number.

68190954995159 is a deficient number, since it is larger than the sum of its proper divisors (1).

68190954995159 is an equidigital number, since it uses as much as digits as its factorization.

68190954995159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176000, while the sum is 80.

The spelling of 68190954995159 in words is "sixty-eight trillion, one hundred ninety billion, nine hundred fifty-four million, nine hundred ninety-five thousand, one hundred fifty-nine".