3691334881 has 8 divisors (see below), whose sum is σ = 3976882560. Its totient is φ = 3406015632.

The previous prime is 3691334873. The next prime is 3691334891. The reversal of 3691334881 is 1884331963.

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 3691334881 - 2³ = 3691334873 is a prime.

It is a super-2 number, since 2×3691334881² = 27251906407374568322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3691334891) 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, 22771 + ... + 88888.

It is an arithmetic number, because the mean of its divisors is an integer number (497110320).

Almost surely, 2^3691334881 is an apocalyptic number.

It is an amenable number.

3691334881 is a deficient number, since it is larger than the sum of its proper divisors (285547679).

3691334881 is a wasteful number, since it uses less digits than its factorization.

3691334881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114215.

The product of its digits is 373248, while the sum is 46.

The square root of 3691334881 is about 60756.3567126930. The cubic root of 3691334881 is about 1545.4720273383.

The spelling of 3691334881 in words is "three billion, six hundred ninety-one million, three hundred thirty-four thousand, eight hundred eighty-one".