68658033299 has 4 divisors (see below), whose sum is σ = 68661456264. Its totient is φ = 68654610336.

The previous prime is 68658033289. The next prime is 68658033317. The reversal of 68658033299 is 99233085686.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68658033299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68658033239) 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, 1681217 + ... + 1721570.

It is an arithmetic number, because the mean of its divisors is an integer number (17165364066).

Almost surely, 2^68658033299 is an apocalyptic number.

68658033299 is a deficient number, since it is larger than the sum of its proper divisors (3422965).

68658033299 is a wasteful number, since it uses less digits than its factorization.

68658033299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422964.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 68658033299 in words is "sixty-eight billion, six hundred fifty-eight million, thirty-three thousand, two hundred ninety-nine".