3509747344 has 20 divisors (see below), whose sum is σ = 6928441596. Its totient is φ = 1721762432.

The previous prime is 3509747323. The next prime is 3509747357. The reversal of 3509747344 is 4437479053.

It can be written as a sum of positive squares in 2 ways, for example, as 2426547600 + 1083199744 = 49260^2 + 32912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3509747294 and 3509747303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068579 + ... + 2070274.

Almost surely, 2^3509747344 is an apocalyptic number.

It is an amenable number.

3509747344 is a deficient number, since it is larger than the sum of its proper divisors (3418694252).

3509747344 is a wasteful number, since it uses less digits than its factorization.

3509747344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138914 (or 4138908 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 3509747344 is about 59243.1206470422. The cubic root of 3509747344 is about 1519.7026403535.

The spelling of 3509747344 in words is "three billion, five hundred nine million, seven hundred forty-seven thousand, three hundred forty-four".