17990024899 has 16 divisors (see below), whose sum is σ = 22454493696. Its totient is φ = 14002344000.

The previous prime is 17990024867. The next prime is 17990024911. The reversal of 17990024899 is 99842009971.

It is a cyclic number.

It is not a de Polignac number, because 17990024899 - 2⁵ = 17990024867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17990022899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63402 + ... + 199999.

It is an arithmetic number, because the mean of its divisors is an integer number (1403405856).

Almost surely, 2^17990024899 is an apocalyptic number.

17990024899 is a deficient number, since it is larger than the sum of its proper divisors (4464468797).

17990024899 is a wasteful number, since it uses less digits than its factorization.

17990024899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264306.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 17990024899 in words is "seventeen billion, nine hundred ninety million, twenty-four thousand, eight hundred ninety-nine".