9013993457 has 16 divisors (see below), whose sum is σ = 10885693440. Its totient is φ = 7296795792.

The previous prime is 9013993421. The next prime is 9013993477. The reversal of 9013993457 is 7543993109.

It is a cyclic number.

It is not a de Polignac number, because 9013993457 - 2⁶ = 9013993393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9013993477) 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, 341633 + ... + 367070.

It is an arithmetic number, because the mean of its divisors is an integer number (680355840).

Almost surely, 2^9013993457 is an apocalyptic number.

It is an amenable number.

9013993457 is a deficient number, since it is larger than the sum of its proper divisors (1871699983).

9013993457 is a wasteful number, since it uses less digits than its factorization.

9013993457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708812.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 9013993457 is about 94942.0531534894. The cubic root of 9013993457 is about 2081.1613227110.

The spelling of 9013993457 in words is "nine billion, thirteen million, nine hundred ninety-three thousand, four hundred fifty-seven".