189226907351 has 2 divisors, whose sum is σ = 189226907352. Its totient is φ = 189226907350.

The previous prime is 189226907291. The next prime is 189226907393. The reversal of 189226907351 is 153709622981.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189226907351 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 189226907293 and 189226907302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189226904351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94613453675 + 94613453676.

It is an arithmetic number, because the mean of its divisors is an integer number (94613453676).

Almost surely, 2^189226907351 is an apocalyptic number.

189226907351 is a deficient number, since it is larger than the sum of its proper divisors (1).

189226907351 is an equidigital number, since it uses as much as digits as its factorization.

189226907351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 189226907351 in words is "one hundred eighty-nine billion, two hundred twenty-six million, nine hundred seven thousand, three hundred fifty-one".