24002919989 has 4 divisors (see below), whose sum is σ = 24008302656. Its totient is φ = 23997537324.

The previous prime is 24002919961. The next prime is 24002920003. The reversal of 24002919989 is 98991920042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24002919989 is a prime.

It is a super-2 number, since 2×24002919989² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24002919989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24002919959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684639 + ... + 2693564.

It is an arithmetic number, because the mean of its divisors is an integer number (6002075664).

Almost surely, 2^24002919989 is an apocalyptic number.

It is an amenable number.

24002919989 is a deficient number, since it is larger than the sum of its proper divisors (5382667).

24002919989 is an equidigital number, since it uses as much as digits as its factorization.

24002919989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382666.

The product of its (nonzero) digits is 839808, while the sum is 53.

Adding to 24002919989 its sum of digits (53), we get a palindrome (24002920042).

The spelling of 24002919989 in words is "twenty-four billion, two million, nine hundred nineteen thousand, nine hundred eighty-nine".