68071248379 has 2 divisors, whose sum is σ = 68071248380. Its totient is φ = 68071248378.

The previous prime is 68071248331. The next prime is 68071248397. The reversal of 68071248379 is 97384217086.

Together with next prime (68071248397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68071248379 is a prime.

It is not a weakly prime, because it can be changed into another prime (68071248779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34035624189 + 34035624190.

It is an arithmetic number, because the mean of its divisors is an integer number (34035624190).

Almost surely, 2^68071248379 is an apocalyptic number.

68071248379 is a deficient number, since it is larger than the sum of its proper divisors (1).

68071248379 is an equidigital number, since it uses as much as digits as its factorization.

68071248379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 68071248379 in words is "sixty-eight billion, seventy-one million, two hundred forty-eight thousand, three hundred seventy-nine".