68964238033 has 4 divisors (see below), whose sum is σ = 68981839360. Its totient is φ = 68946636708.

The previous prime is 68964237973. The next prime is 68964238121. The reversal of 68964238033 is 33083246986.

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.

It is a cyclic number.

It is not a de Polignac number, because 68964238033 - 2⁹ = 68964237521 is a prime.

It is a super-2 number, since 2×68964238033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68964238333) 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, 8794785 + ... + 8802622.

It is an arithmetic number, because the mean of its divisors is an integer number (17245459840).

Almost surely, 2^68964238033 is an apocalyptic number.

It is an amenable number.

68964238033 is a deficient number, since it is larger than the sum of its proper divisors (17601327).

68964238033 is a wasteful number, since it uses less digits than its factorization.

68964238033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17601326.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 68964238033 in words is "sixty-eight billion, nine hundred sixty-four million, two hundred thirty-eight thousand, thirty-three".