2069919688 has 16 divisors (see below), whose sum is σ = 3881899980. Its totient is φ = 1034746368.

The previous prime is 2069919667. The next prime is 2069919713. The reversal of 2069919688 is 8869199602.

It can be written as a sum of positive squares in 2 ways, for example, as 1295856004 + 774063684 = 35998^2 + 27822^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19156 + ... + 67132.

Almost surely, 2^2069919688 is an apocalyptic number.

It is an amenable number.

2069919688 is a deficient number, since it is larger than the sum of its proper divisors (1811980292).

2069919688 is a wasteful number, since it uses less digits than its factorization.

2069919688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53376 (or 53372 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The square root of 2069919688 is about 45496.3700530053. The cubic root of 2069919688 is about 1274.4354159049.

The spelling of 2069919688 in words is "two billion, sixty-nine million, nine hundred nineteen thousand, six hundred eighty-eight".