9138552663 has 8 divisors (see below), whose sum is σ = 12321644400. Its totient is φ = 6023914688.

The previous prime is 9138552629. The next prime is 9138552673. The reversal of 9138552663 is 3662558319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9138552663 - 2⁸ = 9138552407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138552673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17113128 + ... + 17113661.

It is an arithmetic number, because the mean of its divisors is an integer number (1540205550).

Almost surely, 2^9138552663 is an apocalyptic number.

9138552663 is a deficient number, since it is larger than the sum of its proper divisors (3183091737).

9138552663 is a wasteful number, since it uses less digits than its factorization.

9138552663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34226881.

The product of its digits is 1166400, while the sum is 48.

The square root of 9138552663 is about 95595.7774328971. Note that the first 3 decimals coincide. The cubic root of 9138552663 is about 2090.7036284592.

The spelling of 9138552663 in words is "nine billion, one hundred thirty-eight million, five hundred fifty-two thousand, six hundred sixty-three".