2099244445 has 8 divisors (see below), whose sum is σ = 2519991000. Its totient is φ = 1678797120.

The previous prime is 2099244421. The next prime is 2099244457. The reversal of 2099244445 is 5444429902.

It can be written as a sum of positive squares in 4 ways, for example, as 40081561 + 2059162884 = 6331^2 + 45378^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2099244445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59070 + ... + 87679.

It is an arithmetic number, because the mean of its divisors is an integer number (314998875).

Almost surely, 2^2099244445 is an apocalyptic number.

It is an amenable number.

2099244445 is a deficient number, since it is larger than the sum of its proper divisors (420746555).

2099244445 is a wasteful number, since it uses less digits than its factorization.

2099244445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149615.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 2099244445 is about 45817.5124270186. The cubic root of 2099244445 is about 1280.4255675190.

It can be divided in two parts, 209924 and 4445, that added together give a square (214369 = 463²).

The spelling of 2099244445 in words is "two billion, ninety-nine million, two hundred forty-four thousand, four hundred forty-five".