2065651365 has 16 divisors (see below), whose sum is σ = 3411657216. Its totient is φ = 1066142400.

The previous prime is 2065651337. The next prime is 2065651369. The reversal of 2065651365 is 5631565602.

It is not a de Polignac number, because 2065651365 - 2⁵ = 2065651333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065651369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2220666 + ... + 2221595.

It is an arithmetic number, because the mean of its divisors is an integer number (213228576).

Almost surely, 2^2065651365 is an apocalyptic number.

It is an amenable number.

2065651365 is a deficient number, since it is larger than the sum of its proper divisors (1346005851).

2065651365 is a wasteful number, since it uses less digits than its factorization.

2065651365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442300.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 2065651365 is about 45449.4374552645. The cubic root of 2065651365 is about 1273.5588206539.

The spelling of 2065651365 in words is "two billion, sixty-five million, six hundred fifty-one thousand, three hundred sixty-five".