17893272988964 has 6 divisors (see below), whose sum is σ = 31313227730694. Its totient is φ = 8946636494480.

The previous prime is 17893272988961. The next prime is 17893272988979. The reversal of 17893272988964 is 46988927239871.

It can be written as a sum of positive squares in only one way, i.e., 17842665987364 + 50607001600 = 4224058^2 + 224960^2 .

It is not an unprimeable number, because it can be changed into a prime (17893272988961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2236659123617 + ... + 2236659123624.

It is an arithmetic number, because the mean of its divisors is an integer number (5218871288449).

Almost surely, 2^{17893272988964} is an apocalyptic number.

It is an amenable number.

17893272988964 is a deficient number, since it is larger than the sum of its proper divisors (13419954741730).

17893272988964 is a wasteful number, since it uses less digits than its factorization.

17893272988964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473318247245 (or 4473318247243 counting only the distinct ones).

The product of its digits is 5267275776, while the sum is 83.

The spelling of 17893272988964 in words is "seventeen trillion, eight hundred ninety-three billion, two hundred seventy-two million, nine hundred eighty-eight thousand, nine hundred sixty-four".