4091337421 has 4 divisors (see below), whose sum is σ = 4093163712. Its totient is φ = 4089511132.

The previous prime is 4091337413. The next prime is 4091337433. The reversal of 4091337421 is 1247331904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4091337421 - 2³ = 4091337413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091337821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909781 + ... + 914266.

It is an arithmetic number, because the mean of its divisors is an integer number (1023290928).

Almost surely, 2^4091337421 is an apocalyptic number.

It is an amenable number.

4091337421 is a deficient number, since it is larger than the sum of its proper divisors (1826291).

4091337421 is a wasteful number, since it uses less digits than its factorization.

4091337421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826290.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4091337421 is about 63963.5632293887. The cubic root of 4091337421 is about 1599.3926628520.

The spelling of 4091337421 in words is "four billion, ninety-one million, three hundred thirty-seven thousand, four hundred twenty-one".