64253566535246 has 16 divisors (see below), whose sum is σ = 105147306251568. Its totient is φ = 29204748144000.

The previous prime is 64253566535243. The next prime is 64253566535267.

It is a happy number.

64253566535246 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64253566535243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70459805 + ... + 71365896.

It is an arithmetic number, because the mean of its divisors is an integer number (6571706640723).

Almost surely, 2^{64253566535246} is an apocalyptic number.

64253566535246 is a deficient number, since it is larger than the sum of its proper divisors (40893739716322).

64253566535246 is a wasteful number, since it uses less digits than its factorization.

64253566535246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141846307.

The product of its digits is 466560000, while the sum is 62.

The spelling of 64253566535246 in words is "sixty-four trillion, two hundred fifty-three billion, five hundred sixty-six million, five hundred thirty-five thousand, two hundred forty-six".