64594049546 has 16 divisors (see below), whose sum is σ = 104417313000. Its totient is φ = 29791758528.

The previous prime is 64594049537. The next prime is 64594049567.

64594049546 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 28153148521 + 36440901025 = 167789^2 + 190895^2 .

It is a super-2 number, since 2×64594049546² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64594049491 and 64594049500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832121 + ... + 906428.

Almost surely, 2^64594049546 is an apocalyptic number.

64594049546 is a deficient number, since it is larger than the sum of its proper divisors (39823263454).

64594049546 is a wasteful number, since it uses less digits than its factorization.

64594049546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739993.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 64594049546 in words is "sixty-four billion, five hundred ninety-four million, forty-nine thousand, five hundred forty-six".