2449789812 has 24 divisors (see below), whose sum is σ = 6351307200. Its totient is φ = 816596568.

The previous prime is 2449789747. The next prime is 2449789813. The reversal of 2449789812 is 2189879442.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449789813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11341512 + ... + 11341727.

It is an arithmetic number, because the mean of its divisors is an integer number (264637800).

Almost surely, 2^2449789812 is an apocalyptic number.

It is an amenable number.

2449789812 is an abundant number, since it is smaller than the sum of its proper divisors (3901517388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2449789812 is a wasteful number, since it uses less digits than its factorization.

2449789812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22683252 (or 22683244 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 2449789812 is about 49495.3514180877. The cubic root of 2449789812 is about 1348.0611971677.

The spelling of 2449789812 in words is "two billion, four hundred forty-nine million, seven hundred eighty-nine thousand, eight hundred twelve".