64533134635 has 4 divisors (see below), whose sum is σ = 77439761568. Its totient is φ = 51626507704.

The previous prime is 64533134629. The next prime is 64533134647. The reversal of 64533134635 is 53643133546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64533134635 - 2⁷ = 64533134507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64533134591 and 64533134600.

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, 6453313459 + ... + 6453313468.

It is an arithmetic number, because the mean of its divisors is an integer number (19359940392).

Almost surely, 2^64533134635 is an apocalyptic number.

64533134635 is a deficient number, since it is larger than the sum of its proper divisors (12906626933).

64533134635 is a wasteful number, since it uses less digits than its factorization.

64533134635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906626932.

The product of its digits is 1166400, while the sum is 43.

The spelling of 64533134635 in words is "sixty-four billion, five hundred thirty-three million, one hundred thirty-four thousand, six hundred thirty-five".