189226907298 has 270 divisors, whose sum is σ = 506787704577. Its totient is φ = 52709136480.

The previous prime is 189226907291. The next prime is 189226907351. The reversal of 189226907298 is 892709622981.

It is a happy number.

189226907298 is a `hidden beast` number, since 1 + 89 + 2 + 269 + 0 + 7 + 298 = 666.

189226907298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 161794604169 + 27432303129 = 402237^2 + 165627^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=307593.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189226907291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 791744263 + ... + 791744501.

Almost surely, 2^189226907298 is an apocalyptic number.

189226907298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189226907298

189226907298 is an abundant number, since it is smaller than the sum of its proper divisors (317560797279).

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

189226907298 is a wasteful number, since it uses less digits than its factorization.

189226907298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 189226907298 in words is "one hundred eighty-nine billion, two hundred twenty-six million, nine hundred seven thousand, two hundred ninety-eight".