42443031607 has 2 divisors, whose sum is σ = 42443031608. Its totient is φ = 42443031606.

The previous prime is 42443031593. The next prime is 42443031637. The reversal of 42443031607 is 70613034424.

42443031607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42443031607 - 2⁷ = 42443031479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42443031637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21221515803 + 21221515804.

It is an arithmetic number, because the mean of its divisors is an integer number (21221515804).

Almost surely, 2^42443031607 is an apocalyptic number.

42443031607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42443031607 is an equidigital number, since it uses as much as digits as its factorization.

42443031607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 42443031607 in words is "forty-two billion, four hundred forty-three million, thirty-one thousand, six hundred seven".