64523432546 has 32 divisors (see below), whose sum is σ = 102150417600. Its totient is φ = 30482472960.

The previous prime is 64523432543. The next prime is 64523432599.

64523432546 is nontrivially palindromic in base 10.

64523432546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64523432497 and 64523432506.

It is not an unprimeable number, because it can be changed into a prime (64523432543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37490966 + ... + 37492686.

It is an arithmetic number, because the mean of its divisors is an integer number (3192200550).

Almost surely, 2^64523432546 is an apocalyptic number.

64523432546 is a deficient number, since it is larger than the sum of its proper divisors (37626985054).

64523432546 is a wasteful number, since it uses less digits than its factorization.

64523432546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794.

The product of its digits is 2073600, while the sum is 44.

The spelling of 64523432546 in words is "sixty-four billion, five hundred twenty-three million, four hundred thirty-two thousand, five hundred forty-six".