24106890217 has 2 divisors, whose sum is σ = 24106890218. Its totient is φ = 24106890216.

The previous prime is 24106890209. The next prime is 24106890221. The reversal of 24106890217 is 71209860142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22498800016 + 1608090201 = 149996^2 + 40101^2 .

It is a cyclic number.

It is not a de Polignac number, because 24106890217 - 2³ = 24106890209 is a prime.

It is a super-2 number, since 2×24106890217² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24106890217.

It is not a weakly prime, because it can be changed into another prime (24106890317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12053445108 + 12053445109.

It is an arithmetic number, because the mean of its divisors is an integer number (12053445109).

Almost surely, 2^24106890217 is an apocalyptic number.

It is an amenable number.

24106890217 is a deficient number, since it is larger than the sum of its proper divisors (1).

24106890217 is an equidigital number, since it uses as much as digits as its factorization.

24106890217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 24106890217 in words is "twenty-four billion, one hundred six million, eight hundred ninety thousand, two hundred seventeen".