8633749121 has 8 divisors (see below), whose sum is σ = 8722743744. Its totient is φ = 8544854160.

The previous prime is 8633749073. The next prime is 8633749133. The reversal of 8633749121 is 1219473368.

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 8633749121 - 2³⁰ = 7560007297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8633749141) 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, 155951 + ... + 203931.

It is an arithmetic number, because the mean of its divisors is an integer number (1090342968).

Almost surely, 2^8633749121 is an apocalyptic number.

It is an amenable number.

8633749121 is a deficient number, since it is larger than the sum of its proper divisors (88994623).

8633749121 is a wasteful number, since it uses less digits than its factorization.

8633749121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49831.

The product of its digits is 217728, while the sum is 44.

The square root of 8633749121 is about 92917.9698497551. The cubic root of 8633749121 is about 2051.4761623314.

The spelling of 8633749121 in words is "eight billion, six hundred thirty-three million, seven hundred forty-nine thousand, one hundred twenty-one".