4091280081 has 8 divisors (see below), whose sum is σ = 6234331584. Its totient is φ = 2337874320.

The previous prime is 4091280077. The next prime is 4091280119. The reversal of 4091280081 is 1800821904.

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

It is not a de Polignac number, because 4091280081 - 2² = 4091280077 is a prime.

It is a super-2 number, since 2×4091280081² = 33477145402374733122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4091280001) 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, 97411410 + ... + 97411451.

It is an arithmetic number, because the mean of its divisors is an integer number (779291448).

Almost surely, 2^4091280081 is an apocalyptic number.

It is an amenable number.

4091280081 is a deficient number, since it is larger than the sum of its proper divisors (2143051503).

4091280081 is a wasteful number, since it uses less digits than its factorization.

4091280081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194822871.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 4091280081 is about 63963.1150038833. The cubic root of 4091280081 is about 1599.3851910000.

The spelling of 4091280081 in words is "four billion, ninety-one million, two hundred eighty thousand, eighty-one".