3520036836685 has 4 divisors (see below), whose sum is σ = 4224044204028. Its totient is φ = 2816029469344.

The previous prime is 3520036836671. The next prime is 3520036836703. The reversal of 3520036836685 is 5866386300253.

3520036836685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2543090415849 + 976946420836 = 1594707^2 + 988406^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520036836685 - 2⁵ = 3520036836653 is a prime.

It is a Duffinian number.

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, 352003683664 + ... + 352003683673.

It is an arithmetic number, because the mean of its divisors is an integer number (1056011051007).

Almost surely, 2^{3520036836685} is an apocalyptic number.

It is an amenable number.

3520036836685 is a deficient number, since it is larger than the sum of its proper divisors (704007367343).

3520036836685 is an equidigital number, since it uses as much as digits as its factorization.

3520036836685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704007367342.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 3520036836685 in words is "three trillion, five hundred twenty billion, thirty-six million, eight hundred thirty-six thousand, six hundred eighty-five".