9099000042 has 16 divisors (see below), whose sum is σ = 19852363872. Its totient is φ = 2757272720.

The previous prime is 9099000019. The next prime is 9099000047. The reversal of 9099000042 is 2400009909.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 9098999967 and 9099000012.

It is not an unprimeable number, because it can be changed into a prime (9099000047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68931753 + ... + 68931884.

It is an arithmetic number, because the mean of its divisors is an integer number (1240772742).

Almost surely, 2^9099000042 is an apocalyptic number.

9099000042 is an abundant number, since it is smaller than the sum of its proper divisors (10753363830).

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

9099000042 is a wasteful number, since it uses less digits than its factorization.

9099000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137863653.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 9099000042 is about 95388.6787936598. The cubic root of 9099000042 is about 2087.6830043680.

The spelling of 9099000042 in words is "nine billion, ninety-nine million, forty-two", and thus it is an aban number and an uban number.