463790189 has 2 divisors, whose sum is σ = 463790190. Its totient is φ = 463790188.

The previous prime is 463790161. The next prime is 463790191. The reversal of 463790189 is 981097364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452966089 + 10824100 = 21283^2 + 3290^2 .

It is a cyclic number.

It is not a de Polignac number, because 463790189 - 2⁸ = 463789933 is a prime.

Together with 463790191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463790989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231895094 + 231895095.

It is an arithmetic number, because the mean of its divisors is an integer number (231895095).

Almost surely, 2^463790189 is an apocalyptic number.

It is an amenable number.

463790189 is a deficient number, since it is larger than the sum of its proper divisors (1).

463790189 is an equidigital number, since it uses as much as digits as its factorization.

463790189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 463790189 is about 21535.7885622979. The cubic root of 463790189 is about 774.0586219557.

The spelling of 463790189 in words is "four hundred sixty-three million, seven hundred ninety thousand, one hundred eighty-nine".