6219448564 has 12 divisors (see below), whose sum is σ = 12438897184. Its totient is φ = 2665477944.

The previous prime is 6219448537. The next prime is 6219448567. The reversal of 6219448564 is 4658449126.

6219448564 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6219448567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111061554 + ... + 111061609.

Almost surely, 2^6219448564 is an apocalyptic number.

It is an amenable number.

6219448564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6219448564 is a wasteful number, since it uses less digits than its factorization.

6219448564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222123174 (or 222123172 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 6219448564 is about 78863.4805470821. The cubic root of 6219448564 is about 1839.0094467521.

The spelling of 6219448564 in words is "six billion, two hundred nineteen million, four hundred forty-eight thousand, five hundred sixty-four".