3789812881 has 4 divisors (see below), whose sum is σ = 3810985200. Its totient is φ = 3768640564.

The previous prime is 3789812861. The next prime is 3789812893. The reversal of 3789812881 is 1882189873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1882189873 = 109 ⋅17267797.

It is a cyclic number.

It is not a de Polignac number, because 3789812881 - 2²⁵ = 3756258449 is a prime.

It is a super-2 number, since 2×3789812881² = 28725363345987040322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3789812861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10585891 + ... + 10586248.

It is an arithmetic number, because the mean of its divisors is an integer number (952746300).

Almost surely, 2^3789812881 is an apocalyptic number.

It is an amenable number.

3789812881 is a deficient number, since it is larger than the sum of its proper divisors (21172319).

3789812881 is a wasteful number, since it uses less digits than its factorization.

3789812881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21172318.

The product of its digits is 1548288, while the sum is 55.

The square root of 3789812881 is about 61561.4561312515. The cubic root of 3789812881 is about 1559.0950373960.

The spelling of 3789812881 in words is "three billion, seven hundred eighty-nine million, eight hundred twelve thousand, eight hundred eighty-one".