24949051819 has 4 divisors (see below), whose sum is σ = 25557565320. Its totient is φ = 24340538320.

The previous prime is 24949051781. The next prime is 24949051823. The reversal of 24949051819 is 91815094942.

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

It is a cyclic number.

It is not a de Polignac number, because 24949051819 - 2⁷ = 24949051691 is a prime.

It is a super-2 number, since 2×24949051819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24949051889) 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, 304256689 + ... + 304256770.

It is an arithmetic number, because the mean of its divisors is an integer number (6389391330).

Almost surely, 2^24949051819 is an apocalyptic number.

24949051819 is a deficient number, since it is larger than the sum of its proper divisors (608513501).

24949051819 is an equidigital number, since it uses as much as digits as its factorization.

24949051819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608513500.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 24949051819 in words is "twenty-four billion, nine hundred forty-nine million, fifty-one thousand, eight hundred nineteen".