2045659099 has 4 divisors (see below), whose sum is σ = 2231628120. Its totient is φ = 1859690080.

The previous prime is 2045659097. The next prime is 2045659117. The reversal of 2045659099 is 9909565402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2045659099 - 2¹ = 2045659097 is a prime.

It is a super-2 number, since 2×2045659099² = 8369442298642983602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045659097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92984494 + ... + 92984515.

It is an arithmetic number, because the mean of its divisors is an integer number (557907030).

Almost surely, 2^2045659099 is an apocalyptic number.

2045659099 is a deficient number, since it is larger than the sum of its proper divisors (185969021).

2045659099 is a wasteful number, since it uses less digits than its factorization.

2045659099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185969020.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 2045659099 is about 45228.9630546622. The cubic root of 2045659099 is about 1269.4368096203.

The spelling of 2045659099 in words is "two billion, forty-five million, six hundred fifty-nine thousand, ninety-nine".