3881522469 has 16 divisors (see below), whose sum is σ = 5752378944. Its totient is φ = 2308051200.

The previous prime is 3881522459. The next prime is 3881522471. The reversal of 3881522469 is 9642251883.

It is a de Polignac number, because none of the positive numbers 2^k-3881522469 is a prime.

It is a super-2 number, since 2×3881522469² = 30132433354703711922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881522459) 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, 1107892 + ... + 1111389.

It is an arithmetic number, because the mean of its divisors is an integer number (359523684).

Almost surely, 2^3881522469 is an apocalyptic number.

It is an amenable number.

3881522469 is a deficient number, since it is larger than the sum of its proper divisors (1870856475).

3881522469 is a wasteful number, since it uses less digits than its factorization.

3881522469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219348.

The product of its digits is 829440, while the sum is 48.

The square root of 3881522469 is about 62301.8656943755. The cubic root of 3881522469 is about 1571.5711035089.

The spelling of 3881522469 in words is "three billion, eight hundred eighty-one million, five hundred twenty-two thousand, four hundred sixty-nine".