64543311710 has 16 divisors (see below), whose sum is σ = 119317906656. Its totient is φ = 25119559008.

The previous prime is 64543311659. The next prime is 64543311773. The reversal of 64543311710 is 1711334546.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87220322 + ... + 87221061.

It is an arithmetic number, because the mean of its divisors is an integer number (7457369166).

Almost surely, 2^64543311710 is an apocalyptic number.

64543311710 is a deficient number, since it is larger than the sum of its proper divisors (54774594946).

64543311710 is a wasteful number, since it uses less digits than its factorization.

64543311710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174441427.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 64543311710 in words is "sixty-four billion, five hundred forty-three million, three hundred eleven thousand, seven hundred ten".