4023666586745 has 16 divisors (see below), whose sum is σ = 5199955829712. Its totient is φ = 2971242704640.

The previous prime is 4023666586741. The next prime is 4023666586847. The reversal of 4023666586745 is 5476856663204.

It can be written as a sum of positive squares in 8 ways, for example, as 2389012283449 + 1634654303296 = 1545643^2 + 1278536^2 .

It is not a de Polignac number, because 4023666586745 - 2² = 4023666586741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4023666586741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1642775 + ... + 3278115.

It is an arithmetic number, because the mean of its divisors is an integer number (324997239357).

Almost surely, 2^{4023666586745} is an apocalyptic number.

It is an amenable number.

4023666586745 is a deficient number, since it is larger than the sum of its proper divisors (1176289242967).

4023666586745 is a wasteful number, since it uses less digits than its factorization.

4023666586745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673212.

The product of its (nonzero) digits is 174182400, while the sum is 62.

The spelling of 4023666586745 in words is "four trillion, twenty-three billion, six hundred sixty-six million, five hundred eighty-six thousand, seven hundred forty-five".