64533134634 has 8 divisors (see below), whose sum is σ = 129066269280. Its totient is φ = 21511044876.

The previous prime is 64533134629. The next prime is 64533134647. The reversal of 64533134634 is 43643133546.

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

64533134634 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377761214 + ... + 5377761225.

It is an arithmetic number, because the mean of its divisors is an integer number (16133283660).

Almost surely, 2^64533134634 is an apocalyptic number.

64533134634 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.

64533134634 is a wasteful number, since it uses less digits than its factorization.

64533134634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10755522444.

The product of its digits is 933120, while the sum is 42.

The spelling of 64533134634 in words is "sixty-four billion, five hundred thirty-three million, one hundred thirty-four thousand, six hundred thirty-four".