3813125831329 has 8 divisors (see below), whose sum is σ = 3980292197760. Its totient is φ = 3646074322176.

The previous prime is 3813125831323. The next prime is 3813125831377. The reversal of 3813125831329 is 9231385213183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3813125831329 - 2³ = 3813125831321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3813125831321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28646464 + ... + 28779265.

It is an arithmetic number, because the mean of its divisors is an integer number (497536524720).

Almost surely, 2^{3813125831329} is an apocalyptic number.

It is an amenable number.

3813125831329 is a deficient number, since it is larger than the sum of its proper divisors (167166366431).

3813125831329 is a wasteful number, since it uses less digits than its factorization.

3813125831329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57428639.

The product of its digits is 933120, while the sum is 49.

The spelling of 3813125831329 in words is "three trillion, eight hundred thirteen billion, one hundred twenty-five million, eight hundred thirty-one thousand, three hundred twenty-nine".