3801775681 has 8 divisors (see below), whose sum is σ = 4149582624. Its totient is φ = 3454333920.

The previous prime is 3801775667. The next prime is 3801775693. The reversal of 3801775681 is 1865771083.

3801775681 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3801775681 is a prime.

It is a super-2 number, since 2×3801775681² = 28906996657286027522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3801775661) 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, 69291 + ... + 111376.

It is an arithmetic number, because the mean of its divisors is an integer number (518697828).

Almost surely, 2^3801775681 is an apocalyptic number.

It is an amenable number.

3801775681 is a deficient number, since it is larger than the sum of its proper divisors (347806943).

3801775681 is a wasteful number, since it uses less digits than its factorization.

3801775681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182591.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 3801775681 is about 61658.5410223109. The cubic root of 3801775681 is about 1560.7337772240.

The spelling of 3801775681 in words is "three billion, eight hundred one million, seven hundred seventy-five thousand, six hundred eighty-one".