64042244223983 has 2 divisors, whose sum is σ = 64042244223984. Its totient is φ = 64042244223982.

The previous prime is 64042244223961. The next prime is 64042244224037. The reversal of 64042244223983 is 38932244224046.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64042244223983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64042244243983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32021122111991 + 32021122111992.

It is an arithmetic number, because the mean of its divisors is an integer number (32021122111992).

Almost surely, 2^{64042244223983} is an apocalyptic number.

64042244223983 is a deficient number, since it is larger than the sum of its proper divisors (1).

64042244223983 is an equidigital number, since it uses as much as digits as its factorization.

64042244223983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15925248, while the sum is 53.

The spelling of 64042244223983 in words is "sixty-four trillion, forty-two billion, two hundred forty-four million, two hundred twenty-three thousand, nine hundred eighty-three".