6564903442 has 8 divisors (see below), whose sum is σ = 9851296896. Its totient is φ = 3281137812.

The previous prime is 6564903437. The next prime is 6564903461. The reversal of 6564903442 is 2443094656.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 650698 + ... + 660709.

It is an arithmetic number, because the mean of its divisors is an integer number (1231412112).

Almost surely, 2^6564903442 is an apocalyptic number.

6564903442 is a deficient number, since it is larger than the sum of its proper divisors (3286393454).

6564903442 is a wasteful number, since it uses less digits than its factorization.

6564903442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313912.

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 6564903442 is about 81024.0917381985. The cubic root of 6564903442 is about 1872.4466285323.

The spelling of 6564903442 in words is "six billion, five hundred sixty-four million, nine hundred three thousand, four hundred forty-two".