2199649045 has 32 divisors (see below), whose sum is σ = 3009726720. Its totient is φ = 1527651840.

The previous prime is 2199649027. The next prime is 2199649079. The reversal of 2199649045 is 5409469912.

It is not a de Polignac number, because 2199649045 - 2¹¹ = 2199646997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2199649045.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1083091 + ... + 1085119.

It is an arithmetic number, because the mean of its divisors is an integer number (94053960).

Almost surely, 2^2199649045 is an apocalyptic number.

It is an amenable number.

2199649045 is a deficient number, since it is larger than the sum of its proper divisors (810077675).

2199649045 is a wasteful number, since it uses less digits than its factorization.

2199649045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 2199649045 is about 46900.4162561485. The cubic root of 2199649045 is about 1300.5222842233.

The spelling of 2199649045 in words is "two billion, one hundred ninety-nine million, six hundred forty-nine thousand, forty-five".