2491839323 has 4 divisors (see below), whose sum is σ = 2491983000. Its totient is φ = 2491695648.

The previous prime is 2491839307. The next prime is 2491839349. The reversal of 2491839323 is 3239381942.

2491839323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2491839323 - 2⁴ = 2491839307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2491839353) 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, 41573 + ... + 81926.

It is an arithmetic number, because the mean of its divisors is an integer number (622995750).

Almost surely, 2^2491839323 is an apocalyptic number.

2491839323 is a deficient number, since it is larger than the sum of its proper divisors (143677).

2491839323 is a wasteful number, since it uses less digits than its factorization.

2491839323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143676.

The product of its digits is 279936, while the sum is 44.

The square root of 2491839323 is about 49918.3265244339. The cubic root of 2491839323 is about 1355.7304328286.

The spelling of 2491839323 in words is "two billion, four hundred ninety-one million, eight hundred thirty-nine thousand, three hundred twenty-three".