2189306696 has 16 divisors (see below), whose sum is σ = 4128680700. Its totient is φ = 1088325184.

The previous prime is 2189306689. The next prime is 2189306701. The reversal of 2189306696 is 6966039812.

It can be written as a sum of positive squares in 2 ways, for example, as 1788105796 + 401200900 = 42286^2 + 20030^2 .

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, 789551 + ... + 792318.

Almost surely, 2^2189306696 is an apocalyptic number.

It is an amenable number.

2189306696 is a deficient number, since it is larger than the sum of its proper divisors (1939374004).

2189306696 is a wasteful number, since it uses less digits than its factorization.

2189306696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582048 (or 1582044 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 2189306696 is about 46790.0277409621. The cubic root of 2189306696 is about 1298.4808083881.

The spelling of 2189306696 in words is "two billion, one hundred eighty-nine million, three hundred six thousand, six hundred ninety-six".