64068000193 has 4 divisors (see below), whose sum is σ = 64080795780. Its totient is φ = 64055204608.

The previous prime is 64068000169. The next prime is 64068000233. The reversal of 64068000193 is 39100086046.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31126839184 + 32941161009 = 176428^2 + 181497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64068000193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64068000163) 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, 6390280 + ... + 6400297.

It is an arithmetic number, because the mean of its divisors is an integer number (16020198945).

Almost surely, 2^64068000193 is an apocalyptic number.

64068000193 is the 135297-th centered heptagonal number.

It is an amenable number.

64068000193 is a deficient number, since it is larger than the sum of its proper divisors (12795587).

64068000193 is a wasteful number, since it uses less digits than its factorization.

64068000193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795586.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 64068000193 in words is "sixty-four billion, sixty-eight million, one hundred ninety-three", and thus it is an aban number.