188845000961 has 2 divisors, whose sum is σ = 188845000962. Its totient is φ = 188845000960.

The previous prime is 188845000919. The next prime is 188845001003. The reversal of 188845000961 is 169000548881.

It is a balanced prime because it is at equal distance from previous prime (188845000919) and next prime (188845001003).

It can be written as a sum of positive squares in only one way, i.e., 175514913025 + 13330087936 = 418945^2 + 115456^2 .

It is an emirp because it is prime and its reverse (169000548881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188845000961 - 2¹⁴ = 188844984577 is a prime.

It is not a weakly prime, because it can be changed into another prime (188845080961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94422500480 + 94422500481.

It is an arithmetic number, because the mean of its divisors is an integer number (94422500481).

Almost surely, 2^188845000961 is an apocalyptic number.

It is an amenable number.

188845000961 is a deficient number, since it is larger than the sum of its proper divisors (1).

188845000961 is an equidigital number, since it uses as much as digits as its factorization.

188845000961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 188845000961 in words is "one hundred eighty-eight billion, eight hundred forty-five million, nine hundred sixty-one", and thus it is an aban number.