2199537849 has 16 divisors (see below), whose sum is σ = 3012920064. Its totient is φ = 1426530000.

The previous prime is 2199537839. The next prime is 2199537919. The reversal of 2199537849 is 9487359912.

It is not a de Polignac number, because 2199537849 - 2¹¹ = 2199535801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2199537839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1587 + ... + 66344.

It is an arithmetic number, because the mean of its divisors is an integer number (188307504).

Almost surely, 2^2199537849 is an apocalyptic number.

It is an amenable number.

2199537849 is a deficient number, since it is larger than the sum of its proper divisors (813382215).

2199537849 is a wasteful number, since it uses less digits than its factorization.

2199537849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68228.

The product of its digits is 4898880, while the sum is 57.

The square root of 2199537849 is about 46899.2307932657. The cubic root of 2199537849 is about 1300.5003693163.

The spelling of 2199537849 in words is "two billion, one hundred ninety-nine million, five hundred thirty-seven thousand, eight hundred forty-nine".