9942006061 has 4 divisors (see below), whose sum is σ = 10706775772. Its totient is φ = 9177236352.

The previous prime is 9942006047. The next prime is 9942006083. The reversal of 9942006061 is 1606002499.

9942006061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1606002499 = 179 ⋅8972081.

It can be written as a sum of positive squares in 2 ways, for example, as 3052010025 + 6889996036 = 55245^2 + 83006^2 .

It is a cyclic number.

It is not a de Polignac number, because 9942006061 - 2⁵ = 9942006029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9942006061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942006661) 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 in 3 ways as a sum of consecutive naturals, for example, 382384836 + ... + 382384861.

It is an arithmetic number, because the mean of its divisors is an integer number (2676693943).

Almost surely, 2^9942006061 is an apocalyptic number.

It is an amenable number.

9942006061 is a deficient number, since it is larger than the sum of its proper divisors (764769711).

9942006061 is a wasteful number, since it uses less digits than its factorization.

9942006061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764769710.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 9942006061 is about 99709.6086693755. The cubic root of 9942006061 is about 2150.2618077431.

The spelling of 9942006061 in words is "nine billion, nine hundred forty-two million, six thousand, sixty-one".