17963893468 has 6 divisors (see below), whose sum is σ = 31436813576. Its totient is φ = 8981946732.

The previous prime is 17963893427. The next prime is 17963893529. The reversal of 17963893468 is 86439836971.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245486680 + ... + 2245486687.

Almost surely, 2^17963893468 is an apocalyptic number.

It is an amenable number.

17963893468 is a deficient number, since it is larger than the sum of its proper divisors (13472920108).

17963893468 is a wasteful number, since it uses less digits than its factorization.

17963893468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490973371 (or 4490973369 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 64.

The spelling of 17963893468 in words is "seventeen billion, nine hundred sixty-three million, eight hundred ninety-three thousand, four hundred sixty-eight".