2183076136685 has 4 divisors (see below), whose sum is σ = 2619691364028. Its totient is φ = 1746460909344.

The previous prime is 2183076136669. The next prime is 2183076136693. The reversal of 2183076136685 is 5866316703812.

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 1721202306916 + 461873829769 = 1311946^2 + 679613^2 .

It is a cyclic number.

It is not a de Polignac number, because 2183076136685 - 2⁴ = 2183076136669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2183076136685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218307613664 + ... + 218307613673.

It is an arithmetic number, because the mean of its divisors is an integer number (654922841007).

Almost surely, 2^{2183076136685} is an apocalyptic number.

It is an amenable number.

2183076136685 is a deficient number, since it is larger than the sum of its proper divisors (436615227343).

2183076136685 is an equidigital number, since it uses as much as digits as its factorization.

2183076136685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436615227342.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 2183076136685 in words is "two trillion, one hundred eighty-three billion, seventy-six million, one hundred thirty-six thousand, six hundred eighty-five".