24040091689 has 2 divisors, whose sum is σ = 24040091690. Its totient is φ = 24040091688.

The previous prime is 24040091627. The next prime is 24040091707. The reversal of 24040091689 is 98619004042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23529105664 + 510986025 = 153392^2 + 22605^2 .

It is a cyclic number.

It is not a de Polignac number, because 24040091689 - 2²⁷ = 23905873961 is a prime.

It is not a weakly prime, because it can be changed into another prime (24040091489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12020045844 + 12020045845.

It is an arithmetic number, because the mean of its divisors is an integer number (12020045845).

Almost surely, 2^24040091689 is an apocalyptic number.

It is an amenable number.

24040091689 is a deficient number, since it is larger than the sum of its proper divisors (1).

24040091689 is an equidigital number, since it uses as much as digits as its factorization.

24040091689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 24040091689 in words is "twenty-four billion, forty million, ninety-one thousand, six hundred eighty-nine".