68860662193 has 4 divisors (see below), whose sum is σ = 68862710848. Its totient is φ = 68858613540.

The previous prime is 68860662131. The next prime is 68860662263. The reversal of 68860662193 is 39126606886.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39126606886 = 2 ⋅19563303443.

It is a cyclic number.

It is not a de Polignac number, because 68860662193 - 2²⁵ = 68827107761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68860662103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973053 + ... + 1041418.

It is an arithmetic number, because the mean of its divisors is an integer number (17215677712).

Almost surely, 2^68860662193 is an apocalyptic number.

It is an amenable number.

68860662193 is a deficient number, since it is larger than the sum of its proper divisors (2048655).

68860662193 is a wasteful number, since it uses less digits than its factorization.

68860662193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048654.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 68860662193 in words is "sixty-eight billion, eight hundred sixty million, six hundred sixty-two thousand, one hundred ninety-three".