3835616517349 has 4 divisors (see below), whose sum is σ = 3870805659820. Its totient is φ = 3800427374880.

The previous prime is 3835616517329. The next prime is 3835616517371. The reversal of 3835616517349 is 9437156165383.

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 2295473466724 + 1540143050625 = 1515082^2 + 1241025^2 .

It is a cyclic number.

It is not a de Polignac number, because 3835616517349 - 2²⁵ = 3835582962917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3835616517329) 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, 17594571072 + ... + 17594571289.

It is an arithmetic number, because the mean of its divisors is an integer number (967701414955).

Almost surely, 2^{3835616517349} is an apocalyptic number.

It is an amenable number.

3835616517349 is a deficient number, since it is larger than the sum of its proper divisors (35189142471).

3835616517349 is a wasteful number, since it uses less digits than its factorization.

3835616517349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35189142470.

The product of its digits is 48988800, while the sum is 61.

The spelling of 3835616517349 in words is "three trillion, eight hundred thirty-five billion, six hundred sixteen million, five hundred seventeen thousand, three hundred forty-nine".