24543040019 has 2 divisors, whose sum is σ = 24543040020. Its totient is φ = 24543040018.

The previous prime is 24543040003. The next prime is 24543040021. The reversal of 24543040019 is 91004034542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24543040019 - 2⁴ = 24543040003 is a prime.

It is a super-2 number, since 2×24543040019² (a number of 22 digits) contains 22 as substring.

Together with 24543040021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24543040079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12271520009 + 12271520010.

It is an arithmetic number, because the mean of its divisors is an integer number (12271520010).

Almost surely, 2^24543040019 is an apocalyptic number.

24543040019 is a deficient number, since it is larger than the sum of its proper divisors (1).

24543040019 is an equidigital number, since it uses as much as digits as its factorization.

24543040019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 24543040019 in words is "twenty-four billion, five hundred forty-three million, forty thousand, nineteen".