64034343208 has 24 divisors (see below), whose sum is σ = 131971608090. Its totient is φ = 29106519200.

The previous prime is 64034343193. The next prime is 64034343221. The reversal of 64034343208 is 80234343046.

64034343208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 62119580644 + 1914762564 = 249238^2 + 43758^2 .

It is a super-2 number, since 2×64034343208² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33074623 + ... + 33076558.

Almost surely, 2^64034343208 is an apocalyptic number.

It is an amenable number.

64034343208 is an abundant number, since it is smaller than the sum of its proper divisors (67937264882).

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

64034343208 is a wasteful number, since it uses less digits than its factorization.

64034343208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66151209 (or 66151194 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 64034343208 in words is "sixty-four billion, thirty-four million, three hundred forty-three thousand, two hundred eight".