64223357634142 has 32 divisors (see below), whose sum is σ = 110970088620480. Its totient is φ = 27306321100800.

The previous prime is 64223357634131. The next prime is 64223357634157. The reversal of 64223357634142 is 24143675332246.

64223357634142 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 64223357634142.

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, 7386667 + ... + 13528102.

It is an arithmetic number, because the mean of its divisors is an integer number (3467815269390).

Almost surely, 2^{64223357634142} is an apocalyptic number.

64223357634142 is a deficient number, since it is larger than the sum of its proper divisors (46746730986338).

64223357634142 is a wasteful number, since it uses less digits than its factorization.

64223357634142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20916516.

The product of its digits is 17418240, while the sum is 52.

The spelling of 64223357634142 in words is "sixty-four trillion, two hundred twenty-three billion, three hundred fifty-seven million, six hundred thirty-four thousand, one hundred forty-two".