9999990113442 has 64 divisors (see below), whose sum is σ = 23577391499520. Its totient is φ = 2767780544256.

The previous prime is 9999990113419. The next prime is 9999990113459. The reversal of 9999990113442 is 2443110999999.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13694353 + ... + 14406084.

It is an arithmetic number, because the mean of its divisors is an integer number (368396742180).

Almost surely, 2^{9999990113442} is an apocalyptic number.

9999990113442 is an abundant number, since it is smaller than the sum of its proper divisors (13577401386078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9999990113442 is a wasteful number, since it uses less digits than its factorization.

9999990113442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28100715.

The product of its (nonzero) digits is 51018336, while the sum is 69.

The spelling of 9999990113442 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety million, one hundred thirteen thousand, four hundred forty-two".