3331139669881 has 3 divisors (see below), whose sum is σ = 3331141495023. Its totient is φ = 3331137844740.

The previous prime is 3331139669863. The next prime is 3331139669911. The reversal of 3331139669881 is 1889669311333.

The square root of 3331139669881 is 1825141.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 131835074281 + 3199304595600 = 363091^2 + 1788660^2 .

It is not a de Polignac number, because 3331139669881 - 2¹⁵ = 3331139637113 is a prime.

It is a super-2 number, since 2×3331139669881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331139669821) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 912571 + ... + 2737711.

It is an arithmetic number, because the mean of its divisors is an integer number (1110380498341).

Almost surely, 2^{3331139669881} is an apocalyptic number.

3331139669881 is the 1825141-st square number.

3331139669881 is the 912571-st centered octagonal number.

It is an amenable number.

3331139669881 is a deficient number, since it is larger than the sum of its proper divisors (1825142).

3331139669881 is an frugal number, since it uses more digits than its factorization.

3331139669881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650282 (or 1825141 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 61.

The spelling of 3331139669881 in words is "three trillion, three hundred thirty-one billion, one hundred thirty-nine million, six hundred sixty-nine thousand, eight hundred eighty-one".