64532455423546 has 16 divisors (see below), whose sum is σ = 105601753071360. Its totient is φ = 29332048269280.

The previous prime is 64532455423517. The next prime is 64532455423577.

It is a happy number.

64532455423546 is nontrivially palindromic in base 10.

64532455423546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43555531 + ... + 45012766.

It is an arithmetic number, because the mean of its divisors is an integer number (6600109566960).

Almost surely, 2^{64532455423546} is an apocalyptic number.

64532455423546 is a deficient number, since it is larger than the sum of its proper divisors (41069297647814).

64532455423546 is a wasteful number, since it uses less digits than its factorization.

64532455423546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88601429.

The product of its digits is 207360000, while the sum is 58.

The spelling of 64532455423546 in words is "sixty-four trillion, five hundred thirty-two billion, four hundred fifty-five million, four hundred twenty-three thousand, five hundred forty-six".