1009146868196 has 12 divisors (see below), whose sum is σ = 1766071409340. Its totient is φ = 504555036960.

The previous prime is 1009146868187. The next prime is 1009146868231. The reversal of 1009146868196 is 6918686419001.

It can be written as a sum of positive squares in 2 ways, for example, as 468827784100 + 540319084096 = 684710^2 + 735064^2 .

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, 4475495 + ... + 4695566.

It is an arithmetic number, because the mean of its divisors is an integer number (147172617445).

Almost surely, 2^{1009146868196} is an apocalyptic number.

It is an amenable number.

1009146868196 is a deficient number, since it is larger than the sum of its proper divisors (756924541144).

1009146868196 is a wasteful number, since it uses less digits than its factorization.

1009146868196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9198574 (or 9198572 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 59.

The spelling of 1009146868196 in words is "one trillion, nine billion, one hundred forty-six million, eight hundred sixty-eight thousand, one hundred ninety-six".