2447335813 has 6 divisors (see below), whose sum is σ = 2650073874. Its totient is φ = 2259079056.

The previous prime is 2447335801. The next prime is 2447335823. The reversal of 2447335813 is 3185337442.

2447335813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1340964 + 2445994849 = 1158^2 + 49457^2 .

It is not a de Polignac number, because 2447335813 - 2¹³ = 2447327621 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 (2447335823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7240470 + ... + 7240807.

It is an arithmetic number, because the mean of its divisors is an integer number (441678979).

Almost surely, 2^2447335813 is an apocalyptic number.

It is an amenable number.

2447335813 is a deficient number, since it is larger than the sum of its proper divisors (202738061).

2447335813 is a wasteful number, since it uses less digits than its factorization.

2447335813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481303 (or 14481290 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 2447335813 is about 49470.5550100259. Note that the first 3 decimals coincide. The cubic root of 2447335813 is about 1347.6109209798.

The spelling of 2447335813 in words is "two billion, four hundred forty-seven million, three hundred thirty-five thousand, eight hundred thirteen".