1009591368 has 16 divisors (see below), whose sum is σ = 2523978480. Its totient is φ = 336530448.

The previous prime is 1009591351. The next prime is 1009591379. The reversal of 1009591368 is 8631959001.

It is a super-2 number, since 2×1009591368² = 2038549460680222848, which contains 22 as substring.

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, 21033130 + ... + 21033177.

It is an arithmetic number, because the mean of its divisors is an integer number (157748655).

Almost surely, 2^1009591368 is an apocalyptic number.

It is an amenable number.

1009591368 is an abundant number, since it is smaller than the sum of its proper divisors (1514387112).

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

1009591368 is a wasteful number, since it uses less digits than its factorization.

1009591368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42066316 (or 42066312 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1009591368 is about 31774.0675394259. The cubic root of 1009591368 is about 1003.1869551936.

The spelling of 1009591368 in words is "one billion, nine million, five hundred ninety-one thousand, three hundred sixty-eight".