2119924249 has 4 divisors (see below), whose sum is σ = 2140913700. Its totient is φ = 2098934800.

The previous prime is 2119924231. The next prime is 2119924271. The reversal of 2119924249 is 9424299112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1623525849 + 496398400 = 40293^2 + 22280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119924249 - 2²³ = 2111535641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119924349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10494574 + ... + 10494775.

It is an arithmetic number, because the mean of its divisors is an integer number (535228425).

Almost surely, 2^2119924249 is an apocalyptic number.

It is an amenable number.

2119924249 is a deficient number, since it is larger than the sum of its proper divisors (20989451).

2119924249 is a wasteful number, since it uses less digits than its factorization.

2119924249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20989450.

The product of its digits is 93312, while the sum is 43.

The square root of 2119924249 is about 46042.6351222429. The cubic root of 2119924249 is about 1284.6163568804.

The spelling of 2119924249 in words is "two billion, one hundred nineteen million, nine hundred twenty-four thousand, two hundred forty-nine".