3806481481 has 4 divisors (see below), whose sum is σ = 4152525264. Its totient is φ = 3460437700.

The previous prime is 3806481479. The next prime is 3806481499. The reversal of 3806481481 is 1841846083.

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.

It is a cyclic number.

It is not a de Polignac number, because 3806481481 - 2¹ = 3806481479 is a prime.

It is a super-2 number, since 2×3806481481² = 28978602530391906722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806481401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173021875 + ... + 173021896.

It is an arithmetic number, because the mean of its divisors is an integer number (1038131316).

Almost surely, 2^3806481481 is an apocalyptic number.

It is an amenable number.

3806481481 is a deficient number, since it is larger than the sum of its proper divisors (346043783).

3806481481 is a wasteful number, since it uses less digits than its factorization.

3806481481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346043782.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 3806481481 is about 61696.6893844394. The cubic root of 3806481481 is about 1561.3774652784.

The spelling of 3806481481 in words is "three billion, eight hundred six million, four hundred eighty-one thousand, four hundred eighty-one".