6745311564 has 24 divisors (see below), whose sum is σ = 15973973568. Its totient is φ = 2214878160.

The previous prime is 6745311557. The next prime is 6745311577. The reversal of 6745311564 is 4651135476.

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 7 ways as a sum of consecutive naturals, for example, 4194042 + ... + 4195649.

It is an arithmetic number, because the mean of its divisors is an integer number (665582232).

Almost surely, 2^6745311564 is an apocalyptic number.

It is an amenable number.

6745311564 is an abundant number, since it is smaller than the sum of its proper divisors (9228662004).

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

6745311564 is a wasteful number, since it uses less digits than its factorization.

6745311564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389765 (or 8389763 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 6745311564 is about 82129.8457565823. The cubic root of 6745311564 is about 1889.4439135547.

The spelling of 6745311564 in words is "six billion, seven hundred forty-five million, three hundred eleven thousand, five hundred sixty-four".