4091330421 has 12 divisors (see below), whose sum is σ = 5910985600. Its totient is φ = 2726960040.

The previous prime is 4091330377. The next prime is 4091330423. The reversal of 4091330421 is 1240331904.

It is not a de Polignac number, because 4091330421 - 2¹⁵ = 4091297653 is a prime.

It is a super-2 number, since 2×4091330421² = 33477969227600074482, 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 (4091330423) 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 11 ways as a sum of consecutive naturals, for example, 3571 + ... + 90528.

Almost surely, 2^4091330421 is an apocalyptic number.

It is an amenable number.

4091330421 is a deficient number, since it is larger than the sum of its proper divisors (1819655179).

4091330421 is a wasteful number, since it uses less digits than its factorization.

4091330421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98936 (or 98933 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4091330421 is about 63963.5085107126. The cubic root of 4091330421 is about 1599.3917507008.

The spelling of 4091330421 in words is "four billion, ninety-one million, three hundred thirty thousand, four hundred twenty-one".