17966412793 has 16 divisors (see below), whose sum is σ = 21211951104. Its totient is φ = 14891377680.

The previous prime is 17966412773. The next prime is 17966412817. The reversal of 17966412793 is 39721466971.

It is a cyclic number.

It is not a de Polignac number, because 17966412793 - 2¹³ = 17966404601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17966412713) 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, 251946 + ... + 315292.

It is an arithmetic number, because the mean of its divisors is an integer number (1325746944).

Almost surely, 2^17966412793 is an apocalyptic number.

It is an amenable number.

17966412793 is a deficient number, since it is larger than the sum of its proper divisors (3245538311).

17966412793 is a wasteful number, since it uses less digits than its factorization.

17966412793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64692.

The product of its digits is 3429216, while the sum is 55.

The spelling of 17966412793 in words is "seventeen billion, nine hundred sixty-six million, four hundred twelve thousand, seven hundred ninety-three".