3513685405 has 4 divisors (see below), whose sum is σ = 4216422492. Its totient is φ = 2810948320.

The previous prime is 3513685391. The next prime is 3513685433. The reversal of 3513685405 is 5045863153.

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 2800314724 + 713370681 = 52918^2 + 26709^2 .

It is not a de Polignac number, because 3513685405 - 2²¹ = 3511588253 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 351368536 + ... + 351368545.

It is an arithmetic number, because the mean of its divisors is an integer number (1054105623).

Almost surely, 2^3513685405 is an apocalyptic number.

It is an amenable number.

3513685405 is a deficient number, since it is larger than the sum of its proper divisors (702737087).

3513685405 is an equidigital number, since it uses as much as digits as its factorization.

3513685405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702737086.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 3513685405 is about 59276.3477704219. The cubic root of 3513685405 is about 1520.2708146565.

The spelling of 3513685405 in words is "three billion, five hundred thirteen million, six hundred eighty-five thousand, four hundred five".