2804842493 has 4 divisors (see below), whose sum is σ = 2805010080. Its totient is φ = 2804674908.

The previous prime is 2804842483. The next prime is 2804842499. The reversal of 2804842493 is 3942484082.

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 2804842493 - 2⁶ = 2804842429 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 (2804842499) 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 3 ways as a sum of consecutive naturals, for example, 55505 + ... + 93222.

It is an arithmetic number, because the mean of its divisors is an integer number (701252520).

Almost surely, 2^2804842493 is an apocalyptic number.

It is an amenable number.

2804842493 is a deficient number, since it is larger than the sum of its proper divisors (167587).

2804842493 is a wasteful number, since it uses less digits than its factorization.

2804842493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167586.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 2804842493 is about 52960.7637123937. The cubic root of 2804842493 is about 1410.2718140361.

The spelling of 2804842493 in words is "two billion, eight hundred four million, eight hundred forty-two thousand, four hundred ninety-three".