64523461579 has 8 divisors (see below), whose sum is σ = 67688529120. Its totient is φ = 61421068800.

The previous prime is 64523461577. The next prime is 64523461619. The reversal of 64523461579 is 97516432546.

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

It is a cyclic number.

It is not a de Polignac number, because 64523461579 - 2¹ = 64523461577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64523461573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15666582 + ... + 15670699.

It is an arithmetic number, because the mean of its divisors is an integer number (8461066140).

Almost surely, 2^64523461579 is an apocalyptic number.

64523461579 is a deficient number, since it is larger than the sum of its proper divisors (3165067541).

64523461579 is a wasteful number, since it uses less digits than its factorization.

64523461579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31337381.

The product of its digits is 5443200, while the sum is 52.

The spelling of 64523461579 in words is "sixty-four billion, five hundred twenty-three million, four hundred sixty-one thousand, five hundred seventy-nine".