23789899289 has 8 divisors (see below), whose sum is σ = 26039890632. Its totient is φ = 21599907840.

The previous prime is 23789899279. The next prime is 23789899291. The reversal of 23789899289 is 98299898732.

It can be written as a sum of positive squares in 4 ways, for example, as 3647193664 + 20142705625 = 60392^2 + 141925^2 .

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 23789899289 - 2⁸ = 23789899033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23789899279) 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, 14999144 + ... + 15000729.

It is an arithmetic number, because the mean of its divisors is an integer number (3254986329).

Almost surely, 2^23789899289 is an apocalyptic number.

It is an amenable number.

23789899289 is a deficient number, since it is larger than the sum of its proper divisors (2249991343).

23789899289 is a wasteful number, since it uses less digits than its factorization.

23789899289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29999947.

The product of its digits is 282175488, while the sum is 74.

The spelling of 23789899289 in words is "twenty-three billion, seven hundred eighty-nine million, eight hundred ninety-nine thousand, two hundred eighty-nine".