24868343849 has 2 divisors, whose sum is σ = 24868343850. Its totient is φ = 24868343848.

The previous prime is 24868343839. The next prime is 24868343879. The reversal of 24868343849 is 94834386842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13263668224 + 11604675625 = 115168^2 + 107725^2 .

It is a cyclic number.

It is not a de Polignac number, because 24868343849 - 2⁴ = 24868343833 is a prime.

It is a super-2 number, since 2×24868343849² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24868343839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12434171924 + 12434171925.

It is an arithmetic number, because the mean of its divisors is an integer number (12434171925).

Almost surely, 2^24868343849 is an apocalyptic number.

It is an amenable number.

24868343849 is a deficient number, since it is larger than the sum of its proper divisors (1).

24868343849 is an equidigital number, since it uses as much as digits as its factorization.

24868343849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31850496, while the sum is 59.

The spelling of 24868343849 in words is "twenty-four billion, eight hundred sixty-eight million, three hundred forty-three thousand, eight hundred forty-nine".