64412188121446 has 64 divisors (see below), whose sum is σ = 112721062515264. Its totient is φ = 27279740416000.

The previous prime is 64412188121443. The next prime is 64412188121537.

64412188121446 is nontrivially palindromic in base 10.

64412188121446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64412188121393 and 64412188121402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64412188121443) 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, 311040930 + ... + 311247946.

It is an arithmetic number, because the mean of its divisors is an integer number (1761266601801).

Almost surely, 2^{64412188121446} is an apocalyptic number.

64412188121446 is a deficient number, since it is larger than the sum of its proper divisors (48308874393818).

64412188121446 is a wasteful number, since it uses less digits than its factorization.

64412188121446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215385.

The product of its digits is 2359296, while the sum is 52.

The spelling of 64412188121446 in words is "sixty-four trillion, four hundred twelve billion, one hundred eighty-eight million, one hundred twenty-one thousand, four hundred forty-six".