188845000969 has 3 divisors (see below), whose sum is σ = 188845435533. Its totient is φ = 188844566406.

The previous prime is 188845000961. The next prime is 188845001003. The reversal of 188845000969 is 969000548881.

The square root of 188845000969 is 434563.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 969000548881 = 23 ⋅42130458647.

It is not a de Polignac number, because 188845000969 - 2³ = 188845000961 is a prime.

It is a super-2 number, since 2×188845000969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188845000961) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 217282 + ... + 651844.

It is an arithmetic number, because the mean of its divisors is an integer number (62948478511).

Almost surely, 2^188845000969 is an apocalyptic number.

188845000969 is the 434563-rd square number.

188845000969 is the 217282-nd centered octagonal number.

It is an amenable number.

188845000969 is a deficient number, since it is larger than the sum of its proper divisors (434564).

188845000969 is an frugal number, since it uses more digits than its factorization.

188845000969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869126 (or 434563 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 58.

The spelling of 188845000969 in words is "one hundred eighty-eight billion, eight hundred forty-five million, nine hundred sixty-nine", and thus it is an aban number.