3873438745635 has 16 divisors (see below), whose sum is σ = 6466958601984. Its totient is φ = 1976015128032.

The previous prime is 3873438745633. The next prime is 3873438745669. The reversal of 3873438745635 is 5365478343783.

It is not a de Polignac number, because 3873438745635 - 2¹ = 3873438745633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3873438745633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5613678997 + ... + 5613679686.

It is an arithmetic number, because the mean of its divisors is an integer number (404184912624).

Almost surely, 2^{3873438745635} is an apocalyptic number.

3873438745635 is a deficient number, since it is larger than the sum of its proper divisors (2593519856349).

3873438745635 is a wasteful number, since it uses less digits than its factorization.

3873438745635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227358714.

The product of its digits is 609638400, while the sum is 66.

The spelling of 3873438745635 in words is "three trillion, eight hundred seventy-three billion, four hundred thirty-eight million, seven hundred forty-five thousand, six hundred thirty-five".