24980988999 has 4 divisors (see below), whose sum is σ = 33307985336. Its totient is φ = 16653992664.

The previous prime is 24980988973. The next prime is 24980989039. The reversal of 24980988999 is 99988908942.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 24980988999 - 2¹⁹ = 24980464711 is a prime.

It is a super-2 number, since 2×24980988999² (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 24980988999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24980988959) 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 3 ways as a sum of consecutive naturals, for example, 4163498164 + ... + 4163498169.

It is an arithmetic number, because the mean of its divisors is an integer number (8326996334).

Almost surely, 2^24980988999 is an apocalyptic number.

24980988999 is a deficient number, since it is larger than the sum of its proper divisors (8326996337).

24980988999 is an equidigital number, since it uses as much as digits as its factorization.

24980988999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8326996336.

The product of its (nonzero) digits is 241864704, while the sum is 75.

The spelling of 24980988999 in words is "twenty-four billion, nine hundred eighty million, nine hundred eighty-eight thousand, nine hundred ninety-nine".