2644135124 has 6 divisors (see below), whose sum is σ = 4627236474. Its totient is φ = 1322067560.

The previous prime is 2644135121. The next prime is 2644135139. The reversal of 2644135124 is 4215314462.

2644135124 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 only one way, i.e., 2453419024 + 190716100 = 49532^2 + 13810^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644135121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330516887 + ... + 330516894.

It is an arithmetic number, because the mean of its divisors is an integer number (771206079).

Almost surely, 2^2644135124 is an apocalyptic number.

It is an amenable number.

2644135124 is a deficient number, since it is larger than the sum of its proper divisors (1983101350).

2644135124 is a wasteful number, since it uses less digits than its factorization.

2644135124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661033785 (or 661033783 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2644135124 is about 51421.1544405607. The cubic root of 2644135124 is about 1382.8058720209.

Adding to 2644135124 its reverse (4215314462), we get a palindrome (6859449586).

The spelling of 2644135124 in words is "two billion, six hundred forty-four million, one hundred thirty-five thousand, one hundred twenty-four".