2198769636 has 48 divisors (see below), whose sum is σ = 5943722624. Its totient is φ = 619612416.

The previous prime is 2198769593. The next prime is 2198769649. The reversal of 2198769636 is 6369678912.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173155 + ... + 185418.

Almost surely, 2^2198769636 is an apocalyptic number.

It is an amenable number.

2198769636 is an abundant number, since it is smaller than the sum of its proper divisors (3744952988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198769636 is a wasteful number, since it uses less digits than its factorization.

2198769636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358660 (or 358658 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 2198769636 is about 46891.0400396494. The cubic root of 2198769636 is about 1300.3489469582.

The spelling of 2198769636 in words is "two billion, one hundred ninety-eight million, seven hundred sixty-nine thousand, six hundred thirty-six".