68193325489 has 4 divisors (see below), whose sum is σ = 68223408624. Its totient is φ = 68163242356.

The previous prime is 68193325471. The next prime is 68193325511. The reversal of 68193325489 is 98452339186.

68193325489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 98452339186 = 2 ⋅49226169593.

It is a cyclic number.

It is not a de Polignac number, because 68193325489 - 2²⁹ = 67656454577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68193325789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15038167 + ... + 15042700.

It is an arithmetic number, because the mean of its divisors is an integer number (17055852156).

Almost surely, 2^68193325489 is an apocalyptic number.

It is an amenable number.

68193325489 is a deficient number, since it is larger than the sum of its proper divisors (30083135).

68193325489 is a wasteful number, since it uses less digits than its factorization.

68193325489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30083134.

The product of its digits is 11197440, while the sum is 58.

The spelling of 68193325489 in words is "sixty-eight billion, one hundred ninety-three million, three hundred twenty-five thousand, four hundred eighty-nine".