1009539199068 has 12 divisors (see below), whose sum is σ = 2355591464520. Its totient is φ = 336513066352.

The previous prime is 1009539199057. The next prime is 1009539199199. The reversal of 1009539199068 is 8609919359001.

1009539199068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42064133283 + ... + 42064133306.

It is an arithmetic number, because the mean of its divisors is an integer number (196299288710).

Almost surely, 2^{1009539199068} is an apocalyptic number.

It is an amenable number.

1009539199068 is an abundant number, since it is smaller than the sum of its proper divisors (1346052265452).

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

1009539199068 is a wasteful number, since it uses less digits than its factorization.

1009539199068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84128266596 (or 84128266594 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 60.

The spelling of 1009539199068 in words is "one trillion, nine billion, five hundred thirty-nine million, one hundred ninety-nine thousand, sixty-eight".