3863029080681 has 27 divisors (see below), whose sum is σ = 5618909327941. Its totient is φ = 2557486698144.

The previous prime is 3863029080649. The next prime is 3863029080689. The reversal of 3863029080681 is 1860809203683.

It is a happy number.

The square root of 3863029080681 is 1965459.

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

It can be written as a sum of positive squares in 4 ways, for example, as 750570986025 + 3112458094656 = 866355^2 + 1764216^2 .

It is not a de Polignac number, because 3863029080681 - 2⁵ = 3863029080649 is a prime.

It is a super-2 number, since 2×3863029080681² (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 (3863029080689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 878557975 + ... + 878562371.

Almost surely, 2^{3863029080681} is an apocalyptic number.

3863029080681 is the 1965459-th square number.

3863029080681 is the 982730-th centered octagonal number.

It is an amenable number.

3863029080681 is a deficient number, since it is larger than the sum of its proper divisors (1755880247260).

3863029080681 is an frugal number, since it uses more digits than its factorization.

3863029080681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098 (or 4549 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 3863029080681 in words is "three trillion, eight hundred sixty-three billion, twenty-nine million, eighty thousand, six hundred eighty-one".