42723441793 has 2 divisors, whose sum is σ = 42723441794. Its totient is φ = 42723441792.

The previous prime is 42723441767. The next prime is 42723441797. The reversal of 42723441793 is 39714432724.

42723441793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26865832464 + 15857609329 = 163908^2 + 125927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42723441793 is a prime.

It is not a weakly prime, because it can be changed into another prime (42723441797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361720896 + 21361720897.

It is an arithmetic number, because the mean of its divisors is an integer number (21361720897).

Almost surely, 2^42723441793 is an apocalyptic number.

It is an amenable number.

42723441793 is a deficient number, since it is larger than the sum of its proper divisors (1).

42723441793 is an equidigital number, since it uses as much as digits as its factorization.

42723441793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 46.

The spelling of 42723441793 in words is "forty-two billion, seven hundred twenty-three million, four hundred forty-one thousand, seven hundred ninety-three".