1835368536685 has 4 divisors (see below), whose sum is σ = 2202442244028. Its totient is φ = 1468294829344.

The previous prime is 1835368536679. The next prime is 1835368536689. The reversal of 1835368536685 is 5866358635381.

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 1122578392324 + 712790144361 = 1059518^2 + 844269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1835368536685 - 2⁵ = 1835368536653 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 1835368536685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1835368536689) 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, 183536853664 + ... + 183536853673.

It is an arithmetic number, because the mean of its divisors is an integer number (550610561007).

Almost surely, 2^{1835368536685} is an apocalyptic number.

It is an amenable number.

1835368536685 is a deficient number, since it is larger than the sum of its proper divisors (367073707343).

1835368536685 is an equidigital number, since it uses as much as digits as its factorization.

1835368536685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367073707342.

The product of its digits is 373248000, while the sum is 67.

The spelling of 1835368536685 in words is "one trillion, eight hundred thirty-five billion, three hundred sixty-eight million, five hundred thirty-six thousand, six hundred eighty-five".