2099498690 has 8 divisors (see below), whose sum is σ = 3779097660. Its totient is φ = 839799472.

The previous prime is 2099498677. The next prime is 2099498701. The reversal of 2099498690 is 968949902.

It can be written as a sum of positive squares in 2 ways, for example, as 2088215809 + 11282881 = 45697^2 + 3359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2099498690² = 8815789498623432200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 104974925 + ... + 104974944.

Almost surely, 2^2099498690 is an apocalyptic number.

2099498690 is a deficient number, since it is larger than the sum of its proper divisors (1679598970).

2099498690 is a wasteful number, since it uses less digits than its factorization.

2099498690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209949876.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 2099498690 is about 45820.2868825589. The cubic root of 2099498690 is about 1280.4772573317.

The spelling of 2099498690 in words is "two billion, ninety-nine million, four hundred ninety-eight thousand, six hundred ninety".