2197076636 has 12 divisors (see below), whose sum is σ = 3845893128. Its totient is φ = 1098250032.

The previous prime is 2197076593. The next prime is 2197076641. The reversal of 2197076636 is 6366707912.

It is a happy number.

2197076636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54446 + ... + 85781.

It is an arithmetic number, because the mean of its divisors is an integer number (320491094).

Almost surely, 2^2197076636 is an apocalyptic number.

It is an amenable number.

2197076636 is a deficient number, since it is larger than the sum of its proper divisors (1648816492).

2197076636 is a wasteful number, since it uses less digits than its factorization.

2197076636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144148 (or 144146 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 2197076636 is about 46872.9840739845. The cubic root of 2197076636 is about 1300.0151154061.

The spelling of 2197076636 in words is "two billion, one hundred ninety-seven million, seventy-six thousand, six hundred thirty-six".