3803268781 has 12 divisors (see below), whose sum is σ = 4360590612. Its totient is φ = 3304194816.

The previous prime is 3803268769. The next prime is 3803268787. The reversal of 3803268781 is 1878623083.

3803268781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 149670756 + 3653598025 = 12234^2 + 60445^2 .

It is not a de Polignac number, because 3803268781 - 2⁷ = 3803268653 is a prime.

It is a super-2 number, since 2×3803268781² = 28929706841058451922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3803268787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659026 + ... + 664771.

It is an arithmetic number, because the mean of its divisors is an integer number (363382551).

Almost surely, 2^3803268781 is an apocalyptic number.

It is an amenable number.

3803268781 is a deficient number, since it is larger than the sum of its proper divisors (557321831).

3803268781 is a wasteful number, since it uses less digits than its factorization.

3803268781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323840 (or 1323827 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 3803268781 is about 61670.6476453750. The cubic root of 3803268781 is about 1560.9380700594.

The spelling of 3803268781 in words is "three billion, eight hundred three million, two hundred sixty-eight thousand, seven hundred eighty-one".