189305328941 has 2 divisors, whose sum is σ = 189305328942. Its totient is φ = 189305328940.

The previous prime is 189305328937. The next prime is 189305328997. The reversal of 189305328941 is 149823503981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144426601225 + 44878727716 = 380035^2 + 211846^2 .

It is a cyclic number.

It is not a de Polignac number, because 189305328941 - 2² = 189305328937 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189305328041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94652664470 + 94652664471.

It is an arithmetic number, because the mean of its divisors is an integer number (94652664471).

Almost surely, 2^189305328941 is an apocalyptic number.

It is an amenable number.

189305328941 is a deficient number, since it is larger than the sum of its proper divisors (1).

189305328941 is an equidigital number, since it uses as much as digits as its factorization.

189305328941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 189305328941 in words is "one hundred eighty-nine billion, three hundred five million, three hundred twenty-eight thousand, nine hundred forty-one".