1088209969 has 16 divisors (see below), whose sum is σ = 1360402560. Its totient is φ = 845660160.

The previous prime is 1088209961. The next prime is 1088210021. The reversal of 1088209969 is 9699028801.

It is a cyclic number.

It is not a de Polignac number, because 1088209969 - 2³ = 1088209961 is a prime.

It is a super-2 number, since 2×1088209969² = 2368401873261961922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1088209961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9777 + ... + 47665.

It is an arithmetic number, because the mean of its divisors is an integer number (85025160).

Almost surely, 2^1088209969 is an apocalyptic number.

It is an amenable number.

1088209969 is a deficient number, since it is larger than the sum of its proper divisors (272192591).

1088209969 is a wasteful number, since it uses less digits than its factorization.

1088209969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38280.

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 1088209969 is about 32988.0276615623. The cubic root of 1088209969 is about 1028.5787949272.

The spelling of 1088209969 in words is "one billion, eighty-eight million, two hundred nine thousand, nine hundred sixty-nine".