9143968472 has 8 divisors (see below), whose sum is σ = 17144940900. Its totient is φ = 4571984232.

The previous prime is 9143968469. The next prime is 9143968501. The reversal of 9143968472 is 2748693419.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9143968472² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571498022 + ... + 571498037.

Almost surely, 2^9143968472 is an apocalyptic number.

It is an amenable number.

9143968472 is a deficient number, since it is larger than the sum of its proper divisors (8000972428).

9143968472 is a wasteful number, since it uses less digits than its factorization.

9143968472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142996065 (or 1142996061 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 9143968472 is about 95624.0998493581. The cubic root of 9143968472 is about 2091.1165536388.

The spelling of 9143968472 in words is "nine billion, one hundred forty-three million, nine hundred sixty-eight thousand, four hundred seventy-two".