4791238838809 has 4 divisors (see below), whose sum is σ = 4819928891904. Its totient is φ = 4762548785716.

The previous prime is 4791238838777. The next prime is 4791238838843. The reversal of 4791238838809 is 9088388321974.

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 4791238838809 - 2⁵ = 4791238838777 is a prime.

It is a super-2 number, since 2×4791238838809² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4791238838879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14345026297 + ... + 14345026630.

It is an arithmetic number, because the mean of its divisors is an integer number (1204982222976).

Almost surely, 2^{4791238838809} is an apocalyptic number.

It is an amenable number.

4791238838809 is a deficient number, since it is larger than the sum of its proper divisors (28690053095).

4791238838809 is a wasteful number, since it uses less digits than its factorization.

4791238838809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28690053094.

The product of its (nonzero) digits is 167215104, while the sum is 70.

The spelling of 4791238838809 in words is "four trillion, seven hundred ninety-one billion, two hundred thirty-eight million, eight hundred thirty-eight thousand, eight hundred nine".