23989787049 has 8 divisors (see below), whose sum is σ = 33669876640. Its totient is φ = 15151444416.

The previous prime is 23989787039. The next prime is 23989787071. The reversal of 23989787049 is 94078798932.

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

It is not a de Polignac number, because 23989787049 - 2²⁷ = 23855569321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23989787009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210436672 + ... + 210436785.

It is an arithmetic number, because the mean of its divisors is an integer number (4208734580).

Almost surely, 2^23989787049 is an apocalyptic number.

It is an amenable number.

23989787049 is a deficient number, since it is larger than the sum of its proper divisors (9680089591).

23989787049 is a wasteful number, since it uses less digits than its factorization.

23989787049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420873479.

The product of its (nonzero) digits is 54867456, while the sum is 66.

The spelling of 23989787049 in words is "twenty-three billion, nine hundred eighty-nine million, seven hundred eighty-seven thousand, forty-nine".