2816640964 has 6 divisors (see below), whose sum is σ = 4929121694. Its totient is φ = 1408320480.

The previous prime is 2816640941. The next prime is 2816640977. The reversal of 2816640964 is 4690466182.

2816640964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1647548100 + 1169092864 = 40590^2 + 34192^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352080117 + ... + 352080124.

Almost surely, 2^2816640964 is an apocalyptic number.

It is an amenable number.

2816640964 is a deficient number, since it is larger than the sum of its proper divisors (2112480730).

2816640964 is a wasteful number, since it uses less digits than its factorization.

2816640964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704160245 (or 704160243 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 2816640964 is about 53072.0356119868. The cubic root of 2816640964 is about 1412.2464673940.

The spelling of 2816640964 in words is "two billion, eight hundred sixteen million, six hundred forty thousand, nine hundred sixty-four".