3938125690289 has 8 divisors (see below), whose sum is σ = 4500746486208. Its totient is φ = 3375512747280.

The previous prime is 3938125690283. The next prime is 3938125690379. The reversal of 3938125690289 is 9820965218393.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3938125690289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3938125690283) 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, 846242 + ... + 2931275.

It is an arithmetic number, because the mean of its divisors is an integer number (562593310776).

Almost surely, 2^{3938125690289} is an apocalyptic number.

It is an amenable number.

3938125690289 is a deficient number, since it is larger than the sum of its proper divisors (562620795919).

3938125690289 is a wasteful number, since it uses less digits than its factorization.

3938125690289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926455.

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 3938125690289 in words is "three trillion, nine hundred thirty-eight billion, one hundred twenty-five million, six hundred ninety thousand, two hundred eighty-nine".