68749882073 has 2 divisors, whose sum is σ = 68749882074. Its totient is φ = 68749882072.

The previous prime is 68749882063. The next prime is 68749882177. The reversal of 68749882073 is 37028894786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46588200649 + 22161681424 = 215843^2 + 148868^2 .

It is a cyclic number.

It is not a de Polignac number, because 68749882073 - 2⁴ = 68749882057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68749881997 and 68749882015.

It is not a weakly prime, because it can be changed into another prime (68749882013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34374941036 + 34374941037.

It is an arithmetic number, because the mean of its divisors is an integer number (34374941037).

Almost surely, 2^68749882073 is an apocalyptic number.

It is an amenable number.

68749882073 is a deficient number, since it is larger than the sum of its proper divisors (1).

68749882073 is an equidigital number, since it uses as much as digits as its factorization.

68749882073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 68749882073 in words is "sixty-eight billion, seven hundred forty-nine million, eight hundred eighty-two thousand, seventy-three".