64364234747 has 32 divisors (see below), whose sum is σ = 70654464000. Its totient is φ = 58445291520.

The previous prime is 64364234743. The next prime is 64364234773. The reversal of 64364234747 is 74743246346.

It is a cyclic number.

It is not a de Polignac number, because 64364234747 - 2² = 64364234743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64364234695 and 64364234704.

It is not an unprimeable number, because it can be changed into a prime (64364234743) 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 31 ways as a sum of consecutive naturals, for example, 23934779 + ... + 23937467.

It is an arithmetic number, because the mean of its divisors is an integer number (2207952000).

Almost surely, 2^64364234747 is an apocalyptic number.

64364234747 is a deficient number, since it is larger than the sum of its proper divisors (6290229253).

64364234747 is a wasteful number, since it uses less digits than its factorization.

64364234747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371.

The product of its digits is 8128512, while the sum is 50.

The spelling of 64364234747 in words is "sixty-four billion, three hundred sixty-four million, two hundred thirty-four thousand, seven hundred forty-seven".