64068513434 has 8 divisors (see below), whose sum is σ = 96264833940. Its totient is φ = 31980235456.

The previous prime is 64068513433. The next prime is 64068513449. The reversal of 64068513434 is 43431586046.

It can be written as a sum of positive squares in 2 ways, for example, as 62362575625 + 1705937809 = 249725^2 + 41303^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64068513433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27009149 + ... + 27011520.

Almost surely, 2^64068513434 is an apocalyptic number.

64068513434 is a deficient number, since it is larger than the sum of its proper divisors (32196320506).

64068513434 is a wasteful number, since it uses less digits than its factorization.

64068513434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54021264.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 64068513434 in words is "sixty-four billion, sixty-eight million, five hundred thirteen thousand, four hundred thirty-four".