68300979113 has 2 divisors, whose sum is σ = 68300979114. Its totient is φ = 68300979112.

The previous prime is 68300979077. The next prime is 68300979119. The reversal of 68300979113 is 31197900386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40999365289 + 27301613824 = 202483^2 + 165232^2 .

It is a cyclic number.

It is not a de Polignac number, because 68300979113 - 2²⁶ = 68233870249 is a prime.

It is not a weakly prime, because it can be changed into another prime (68300979119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34150489556 + 34150489557.

It is an arithmetic number, because the mean of its divisors is an integer number (34150489557).

Almost surely, 2^68300979113 is an apocalyptic number.

It is an amenable number.

68300979113 is a deficient number, since it is larger than the sum of its proper divisors (1).

68300979113 is an equidigital number, since it uses as much as digits as its factorization.

68300979113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 68300979113 in words is "sixty-eight billion, three hundred million, nine hundred seventy-nine thousand, one hundred thirteen".