24143969 has 2 divisors, whose sum is σ = 24143970. Its totient is φ = 24143968.

The previous prime is 24143939. The next prime is 24143971. The reversal of 24143969 is 96934142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24137569 + 6400 = 4913^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 24143969 - 2¹⁶ = 24078433 is a prime.

It is a super-2 number, since 2×24143969² = 1165862478145922, which contains 22 as substring.

Together with 24143971, 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 (24143939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12071984 + 12071985.

It is an arithmetic number, because the mean of its divisors is an integer number (12071985).

Almost surely, 2^24143969 is an apocalyptic number.

It is an amenable number.

24143969 is a deficient number, since it is larger than the sum of its proper divisors (1).

24143969 is an equidigital number, since it uses as much as digits as its factorization.

24143969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 38.

The square root of 24143969 is about 4913.6512900286. The cubic root of 24143969 is about 289.0255402212.

The spelling of 24143969 in words is "twenty-four million, one hundred forty-three thousand, nine hundred sixty-nine".