3938915350671 has 16 divisors (see below), whose sum is σ = 6002616620544. Its totient is φ = 2250636310944.

The previous prime is 3938915350663. The next prime is 3938915350691. The reversal of 3938915350671 is 1760535198393.

It is not a de Polignac number, because 3938915350671 - 2³ = 3938915350663 is a prime.

It is a super-3 number, since 3×3938915350671³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938915350621) 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, 6905016 + ... + 7453661.

It is an arithmetic number, because the mean of its divisors is an integer number (375163538784).

Almost surely, 2^{3938915350671} is an apocalyptic number.

3938915350671 is a deficient number, since it is larger than the sum of its proper divisors (2063701269873).

3938915350671 is a wasteful number, since it uses less digits than its factorization.

3938915350671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371750.

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 3938915350671 in words is "three trillion, nine hundred thirty-eight billion, nine hundred fifteen million, three hundred fifty thousand, six hundred seventy-one".