2644727913 has 24 divisors (see below), whose sum is σ = 3848173056. Its totient is φ = 1750264800.

The previous prime is 2644727909. The next prime is 2644727941. The reversal of 2644727913 is 3197274462.

2644727913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2644727913 - 2² = 2644727909 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2644727903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007743 + ... + 1010363.

It is an arithmetic number, because the mean of its divisors is an integer number (160340544).

Almost surely, 2^2644727913 is an apocalyptic number.

It is an amenable number.

2644727913 is a deficient number, since it is larger than the sum of its proper divisors (1203445143).

2644727913 is a wasteful number, since it uses less digits than its factorization.

2644727913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3402 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 2644727913 is about 51426.9181752125. The cubic root of 2644727913 is about 1382.9092014427.

The spelling of 2644727913 in words is "two billion, six hundred forty-four million, seven hundred twenty-seven thousand, nine hundred thirteen".