9149209868 has 12 divisors (see below), whose sum is σ = 16032671760. Its totient is φ = 4568446512.

The previous prime is 9149209801. The next prime is 9149209877. The reversal of 9149209868 is 8689029419.

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, 1536263 + ... + 1542206.

It is an arithmetic number, because the mean of its divisors is an integer number (1336055980).

Almost surely, 2^9149209868 is an apocalyptic number.

It is an amenable number.

9149209868 is a deficient number, since it is larger than the sum of its proper divisors (6883461892).

9149209868 is a wasteful number, since it uses less digits than its factorization.

9149209868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079216 (or 3079214 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 56.

The square root of 9149209868 is about 95651.5021732539. The cubic root of 9149209868 is about 2091.5160255767.

The spelling of 9149209868 in words is "nine billion, one hundred forty-nine million, two hundred nine thousand, eight hundred sixty-eight".