4081269381 has 16 divisors (see below), whose sum is σ = 6419693568. Its totient is φ = 2256922800.

The previous prime is 4081269377. The next prime is 4081269391. The reversal of 4081269381 is 1839621804.

4081269381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4081269381 - 2² = 4081269377 is a prime.

It is a super-2 number, since 2×4081269381² = 33313519520576246322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081269391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133965 + ... + 3135266.

It is an arithmetic number, because the mean of its divisors is an integer number (401230848).

Almost surely, 2^4081269381 is an apocalyptic number.

It is an amenable number.

4081269381 is a deficient number, since it is larger than the sum of its proper divisors (2338424187).

4081269381 is a wasteful number, since it uses less digits than its factorization.

4081269381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269272.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 4081269381 is about 63884.8133831508. The cubic root of 4081269381 is about 1598.0796467252.

The spelling of 4081269381 in words is "four billion, eighty-one million, two hundred sixty-nine thousand, three hundred eighty-one".