3842625728813 has 4 divisors (see below), whose sum is σ = 3842630536860. Its totient is φ = 3842620920768.

The previous prime is 3842625728759. The next prime is 3842625728831. The reversal of 3842625728813 is 3188275262483.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1080109154089 + 2762516574724 = 1039283^2 + 1662082^2 .

It is a cyclic number.

It is not a de Polignac number, because 3842625728813 - 2¹⁶ = 3842625663277 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 (3842625728413) 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, 885470 + ... + 2910207.

It is an arithmetic number, because the mean of its divisors is an integer number (960657634215).

Almost surely, 2^{3842625728813} is an apocalyptic number.

It is an amenable number.

3842625728813 is a deficient number, since it is larger than the sum of its proper divisors (4808047).

3842625728813 is a wasteful number, since it uses less digits than its factorization.

3842625728813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808046.

The product of its digits is 30965760, while the sum is 59.

The spelling of 3842625728813 in words is "three trillion, eight hundred forty-two billion, six hundred twenty-five million, seven hundred twenty-eight thousand, eight hundred thirteen".