189622463 has 2 divisors, whose sum is σ = 189622464. Its totient is φ = 189622462.

The previous prime is 189622429. The next prime is 189622483. The reversal of 189622463 is 364226981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189622463 - 2⁶ = 189622399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189622463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189622423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94811231 + 94811232.

It is an arithmetic number, because the mean of its divisors is an integer number (94811232).

Almost surely, 2^189622463 is an apocalyptic number.

189622463 is a deficient number, since it is larger than the sum of its proper divisors (1).

189622463 is an equidigital number, since it uses as much as digits as its factorization.

189622463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 189622463 is about 13770.3472359995. The cubic root of 189622463 is about 574.5086797340.

The spelling of 189622463 in words is "one hundred eighty-nine million, six hundred twenty-two thousand, four hundred sixty-three".