9015897472 has 16 divisors (see below), whose sum is σ = 17961358500. Its totient is φ = 4507948672.

The previous prime is 9015897467. The next prime is 9015897481. The reversal of 9015897472 is 2747985109.

It is a tau number, because it is divible by the number of its divisors (16).

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, 35218222 + ... + 35218477.

Almost surely, 2^9015897472 is an apocalyptic number.

It is an amenable number.

9015897472 is a deficient number, since it is larger than the sum of its proper divisors (8945461028).

9015897472 is an equidigital number, since it uses as much as digits as its factorization.

9015897472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70436713 (or 70436701 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 9015897472 is about 94952.0798719017. The cubic root of 9015897472 is about 2081.3078461294.

The spelling of 9015897472 in words is "nine billion, fifteen million, eight hundred ninety-seven thousand, four hundred seventy-two".