3715238681 has 16 divisors (see below), whose sum is σ = 4634271360. Its totient is φ = 2893562880.

The previous prime is 3715238629. The next prime is 3715238693. The reversal of 3715238681 is 1868325173.

It is a happy number.

3715238681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3715238681 - 2³⁰ = 2641496857 is a prime.

It is a super-2 number, since 2×3715238681² = 27605996913597239522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3715232681) 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, 161465 + ... + 183033.

It is an arithmetic number, because the mean of its divisors is an integer number (289641960).

Almost surely, 2^3715238681 is an apocalyptic number.

It is an amenable number.

3715238681 is a deficient number, since it is larger than the sum of its proper divisors (919032679).

3715238681 is a wasteful number, since it uses less digits than its factorization.

3715238681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23824.

The product of its digits is 241920, while the sum is 44.

The square root of 3715238681 is about 60952.7577801038. The cubic root of 3715238681 is about 1548.8008319119.

The spelling of 3715238681 in words is "three billion, seven hundred fifteen million, two hundred thirty-eight thousand, six hundred eighty-one".