2196558909 has 48 divisors (see below), whose sum is σ = 3378485760. Its totient is φ = 1372775040.

The previous prime is 2196558907. The next prime is 2196558913. The reversal of 2196558909 is 9098556912.

2196558909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2196558909 - 2¹ = 2196558907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196558907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4015374 + ... + 4015920.

It is an arithmetic number, because the mean of its divisors is an integer number (70385120).

Almost surely, 2^2196558909 is an apocalyptic number.

It is an amenable number.

2196558909 is a deficient number, since it is larger than the sum of its proper divisors (1181926851).

2196558909 is a wasteful number, since it uses less digits than its factorization.

2196558909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The square root of 2196558909 is about 46867.4610897582. The cubic root of 2196558909 is about 1299.9129939798.

The spelling of 2196558909 in words is "two billion, one hundred ninety-six million, five hundred fifty-eight thousand, nine hundred nine".