24819796849 has 3 divisors (see below), whose sum is σ = 24819954393. Its totient is φ = 24819639306.

The previous prime is 24819796829. The next prime is 24819796853. The reversal of 24819796849 is 94869791842.

The square root of 24819796849 is 157543.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 24819796849 - 2¹¹ = 24819794801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24819796829) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 78772 + ... + 236314.

It is an arithmetic number, because the mean of its divisors is an integer number (8273318131).

Almost surely, 2^24819796849 is an apocalyptic number.

24819796849 is the 157543-rd square number.

24819796849 is the 78772-nd centered octagonal number.

It is an amenable number.

24819796849 is a deficient number, since it is larger than the sum of its proper divisors (157544).

24819796849 is an frugal number, since it uses more digits than its factorization.

24819796849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315086 (or 157543 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 67.

The spelling of 24819796849 in words is "twenty-four billion, eight hundred nineteen million, seven hundred ninety-six thousand, eight hundred forty-nine".