9985642094042 has 32 divisors (see below), whose sum is σ = 15550286217984. Its totient is φ = 4805753400000.

The previous prime is 9985642094033. The next prime is 9985642094101. The reversal of 9985642094042 is 2404902465899.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 38650292 + ... + 38907792.

It is an arithmetic number, because the mean of its divisors is an integer number (485946444312).

Almost surely, 2^{9985642094042} is an apocalyptic number.

9985642094042 is a deficient number, since it is larger than the sum of its proper divisors (5564644123942).

9985642094042 is a wasteful number, since it uses less digits than its factorization.

9985642094042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264374.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 9985642094042 in words is "nine trillion, nine hundred eighty-five billion, six hundred forty-two million, ninety-four thousand, forty-two".