3842135476729 has 4 divisors (see below), whose sum is σ = 4191420520080. Its totient is φ = 3492850433380.

The previous prime is 3842135476691. The next prime is 3842135476763. The reversal of 3842135476729 is 9276745312483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3842135476729 - 2⁷ = 3842135476601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3842135477729) 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, 174642521659 + ... + 174642521680.

It is an arithmetic number, because the mean of its divisors is an integer number (1047855130020).

Almost surely, 2^{3842135476729} is an apocalyptic number.

It is an amenable number.

3842135476729 is a deficient number, since it is larger than the sum of its proper divisors (349285043351).

3842135476729 is a wasteful number, since it uses less digits than its factorization.

3842135476729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349285043350.

The product of its digits is 60963840, while the sum is 61.

The spelling of 3842135476729 in words is "three trillion, eight hundred forty-two billion, one hundred thirty-five million, four hundred seventy-six thousand, seven hundred twenty-nine".