2066713441 has 4 divisors (see below), whose sum is σ = 2225691412. Its totient is φ = 1907735472.

The previous prime is 2066713393. The next prime is 2066713447. The reversal of 2066713441 is 1443176602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 736579600 + 1330133841 = 27140^2 + 36471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066713441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066713397 and 2066713406.

It is not an unprimeable number, because it can be changed into a prime (2066713447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79488966 + ... + 79488991.

It is an arithmetic number, because the mean of its divisors is an integer number (556422853).

Almost surely, 2^2066713441 is an apocalyptic number.

It is an amenable number.

2066713441 is a deficient number, since it is larger than the sum of its proper divisors (158977971).

2066713441 is a wasteful number, since it uses less digits than its factorization.

2066713441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158977970.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2066713441 is about 45461.1201027867. The cubic root of 2066713441 is about 1273.7770543995. Note that the first 3 decimals are identical.

The spelling of 2066713441 in words is "two billion, sixty-six million, seven hundred thirteen thousand, four hundred forty-one".