9942445507 has 2 divisors, whose sum is σ = 9942445508. Its totient is φ = 9942445506.

The previous prime is 9942445493. The next prime is 9942445517. The reversal of 9942445507 is 7055442499.

It is a happy number.

9942445507 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9942445507 is a prime.

It is not a weakly prime, because it can be changed into another prime (9942445517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971222753 + 4971222754.

It is an arithmetic number, because the mean of its divisors is an integer number (4971222754).

Almost surely, 2^9942445507 is an apocalyptic number.

9942445507 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942445507 is an equidigital number, since it uses as much as digits as its factorization.

9942445507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The square root of 9942445507 is about 99711.8122741734. The cubic root of 9942445507 is about 2150.2934884731.

The spelling of 9942445507 in words is "nine billion, nine hundred forty-two million, four hundred forty-five thousand, five hundred seven".