2064265688 has 8 divisors (see below), whose sum is σ = 3870498180. Its totient is φ = 1032132840.

The previous prime is 2064265657. The next prime is 2064265691. The reversal of 2064265688 is 8865624602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2064265688² = 8522385661308226688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129016598 + ... + 129016613.

Almost surely, 2^2064265688 is an apocalyptic number.

It is an amenable number.

2064265688 is a deficient number, since it is larger than the sum of its proper divisors (1806232492).

2064265688 is a wasteful number, since it uses less digits than its factorization.

2064265688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258033217 (or 258033213 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The square root of 2064265688 is about 45434.1907378133. The cubic root of 2064265688 is about 1273.2739813775.

The spelling of 2064265688 in words is "two billion, sixty-four million, two hundred sixty-five thousand, six hundred eighty-eight".