2199607641 has 24 divisors (see below), whose sum is σ = 3961199424. Its totient is φ = 1142652960.

The previous prime is 2199607639. The next prime is 2199607673. The reversal of 2199607641 is 1467069912.

It is not a de Polignac number, because 2199607641 - 2¹ = 2199607639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2199607621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1586326 + ... + 1587711.

It is an arithmetic number, because the mean of its divisors is an integer number (165049976).

Almost surely, 2^2199607641 is an apocalyptic number.

2199607641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2199607641 is a deficient number, since it is larger than the sum of its proper divisors (1761591783).

2199607641 is a wasteful number, since it uses less digits than its factorization.

2199607641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174061 (or 3174058 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 2199607641 is about 46899.9748507395. The cubic root of 2199607641 is about 1300.5141242606.

The spelling of 2199607641 in words is "two billion, one hundred ninety-nine million, six hundred seven thousand, six hundred forty-one".