6735004644 has 12 divisors (see below), whose sum is σ = 15715010864. Its totient is φ = 2245001544.

The previous prime is 6735004609. The next prime is 6735004657. The reversal of 6735004644 is 4464005376.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 280625182 + ... + 280625205.

Almost surely, 2^6735004644 is an apocalyptic number.

It is an amenable number.

6735004644 is an abundant number, since it is smaller than the sum of its proper divisors (8980006220).

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

6735004644 is a wasteful number, since it uses less digits than its factorization.

6735004644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561250394 (or 561250392 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 6735004644 is about 82067.0740553116. The cubic root of 6735004644 is about 1888.4810583665.

The spelling of 6735004644 in words is "six billion, seven hundred thirty-five million, four thousand, six hundred forty-four".