9942686045 has 16 divisors (see below), whose sum is σ = 12683418048. Its totient is φ = 7456416000.

The previous prime is 9942686029. The next prime is 9942686057. The reversal of 9942686045 is 5406862499.

It is not a de Polignac number, because 9942686045 - 2⁴ = 9942686029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211679 + ... + 254348.

It is an arithmetic number, because the mean of its divisors is an integer number (792713628).

Almost surely, 2^9942686045 is an apocalyptic number.

It is an amenable number.

9942686045 is a deficient number, since it is larger than the sum of its proper divisors (2740732003).

9942686045 is a wasteful number, since it uses less digits than its factorization.

9942686045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466300.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The square root of 9942686045 is about 99713.0184329007. The cubic root of 9942686045 is about 2150.3108290467.

The spelling of 9942686045 in words is "nine billion, nine hundred forty-two million, six hundred eighty-six thousand, forty-five".