9049973688 has 48 divisors (see below), whose sum is σ = 28011824880. Its totient is φ = 2585706624.

The previous prime is 9049973687. The next prime is 9049973701. The reversal of 9049973688 is 8863799409.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9049973687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8977645 + ... + 8978652.

It is an arithmetic number, because the mean of its divisors is an integer number (583579685).

Almost surely, 2^9049973688 is an apocalyptic number.

It is an amenable number.

9049973688 is an abundant number, since it is smaller than the sum of its proper divisors (18961851192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9049973688 is a wasteful number, since it uses less digits than its factorization.

9049973688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956316 (or 17956309 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The square root of 9049973688 is about 95131.3496593000. The cubic root of 9049973688 is about 2083.9266991114.

The spelling of 9049973688 in words is "nine billion, forty-nine million, nine hundred seventy-three thousand, six hundred eighty-eight".