64449122194446 has 32 divisors (see below), whose sum is σ = 141021500853888. Its totient is φ = 19473754494240.

The previous prime is 64449122194427. The next prime is 64449122194517.

64449122194446 is nontrivially palindromic in base 10.

64449122194446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64449122194446.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1407040285 + ... + 1407086088.

It is an arithmetic number, because the mean of its divisors is an integer number (4406921901684).

Almost surely, 2^{64449122194446} is an apocalyptic number.

64449122194446 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64449122194446 is an abundant number, since it is smaller than the sum of its proper divisors (76572378659442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64449122194446 is a wasteful number, since it uses less digits than its factorization.

64449122194446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814126736.

The product of its digits is 47775744, while the sum is 60.

The spelling of 64449122194446 in words is "sixty-four trillion, four hundred forty-nine billion, one hundred twenty-two million, one hundred ninety-four thousand, four hundred forty-six".