67969759321 has 16 divisors (see below), whose sum is σ = 72450846720. Its totient is φ = 63625723920.

The previous prime is 67969759309. The next prime is 67969759387. The reversal of 67969759321 is 12395796976.

67969759321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 67969759321 - 2²⁷ = 67835541593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67969759301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190306 + ... + 414916.

It is an arithmetic number, because the mean of its divisors is an integer number (4528177920).

Almost surely, 2^67969759321 is an apocalyptic number.

It is an amenable number.

67969759321 is a deficient number, since it is larger than the sum of its proper divisors (4481087399).

67969759321 is a wasteful number, since it uses less digits than its factorization.

67969759321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224916.

The product of its digits is 38578680, while the sum is 64.

The spelling of 67969759321 in words is "sixty-seven billion, nine hundred sixty-nine million, seven hundred fifty-nine thousand, three hundred twenty-one".