2648009065 has 16 divisors (see below), whose sum is σ = 3425486400. Its totient is φ = 1953484992.

The previous prime is 2648009051. The next prime is 2648009107. The reversal of 2648009065 is 5609008462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2648009065 - 2⁵ = 2648009033 is a prime.

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, 46246 + ... + 86224.

It is an arithmetic number, because the mean of its divisors is an integer number (214092900).

Almost surely, 2^2648009065 is an apocalyptic number.

It is an amenable number.

2648009065 is a deficient number, since it is larger than the sum of its proper divisors (777477335).

2648009065 is a wasteful number, since it uses less digits than its factorization.

2648009065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41016.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2648009065 is about 51458.8094013066. The cubic root of 2648009065 is about 1383.4808620259.

The spelling of 2648009065 in words is "two billion, six hundred forty-eight million, nine thousand, sixty-five".