2065343656 has 8 divisors (see below), whose sum is σ = 3872519370. Its totient is φ = 1032671824.

The previous prime is 2065343641. The next prime is 2065343671. The reversal of 2065343656 is 6563435602.

It is an interprime number because it is at equal distance from previous prime (2065343641) and next prime (2065343671).

It can be written as a sum of positive squares in only one way, i.e., 1469495556 + 595848100 = 38334^2 + 24410^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129083971 + ... + 129083986.

Almost surely, 2^2065343656 is an apocalyptic number.

It is an amenable number.

2065343656 is a deficient number, since it is larger than the sum of its proper divisors (1807175714).

2065343656 is a wasteful number, since it uses less digits than its factorization.

2065343656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258167963 (or 258167959 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 40.

The square root of 2065343656 is about 45446.0521497742. The cubic root of 2065343656 is about 1273.4955791056.

The spelling of 2065343656 in words is "two billion, sixty-five million, three hundred forty-three thousand, six hundred fifty-six".