4344609091 has 4 divisors (see below), whose sum is σ = 4384468000. Its totient is φ = 4304750184.

The previous prime is 4344609083. The next prime is 4344609133. The reversal of 4344609091 is 1909064434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4344609091 - 2³ = 4344609083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4344609391) 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, 19929291 + ... + 19929508.

It is an arithmetic number, because the mean of its divisors is an integer number (1096117000).

Almost surely, 2^4344609091 is an apocalyptic number.

4344609091 is a deficient number, since it is larger than the sum of its proper divisors (39858909).

4344609091 is a wasteful number, since it uses less digits than its factorization.

4344609091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39858908.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 4344609091 is about 65913.6487459160. The cubic root of 4344609091 is about 1631.7372786664.

The spelling of 4344609091 in words is "four billion, three hundred forty-four million, six hundred nine thousand, ninety-one".