9942232039 has 2 divisors, whose sum is σ = 9942232040. Its totient is φ = 9942232038.

The previous prime is 9942232037. The next prime is 9942232067. The reversal of 9942232039 is 9302322499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9942232039 - 2¹ = 9942232037 is a prime.

Together with 9942232037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9942231986 and 9942232004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9942232037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971116019 + 4971116020.

It is an arithmetic number, because the mean of its divisors is an integer number (4971116020).

Almost surely, 2^9942232039 is an apocalyptic number.

9942232039 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942232039 is an equidigital number, since it uses as much as digits as its factorization.

9942232039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 9942232039 is about 99710.7418435948. The cubic root of 9942232039 is about 2150.2780991629.

The spelling of 9942232039 in words is "nine billion, nine hundred forty-two million, two hundred thirty-two thousand, thirty-nine".