363490189 has 2 divisors, whose sum is σ = 363490190. Its totient is φ = 363490188.

The previous prime is 363490177. The next prime is 363490201. The reversal of 363490189 is 981094363.

It is a balanced prime because it is at equal distance from previous prime (363490177) and next prime (363490201).

It can be written as a sum of positive squares in only one way, i.e., 202834564 + 160655625 = 14242^2 + 12675^2 .

It is a cyclic number.

It is not a de Polignac number, because 363490189 - 2¹³ = 363481997 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (363490289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181745094 + 181745095.

It is an arithmetic number, because the mean of its divisors is an integer number (181745095).

Almost surely, 2^363490189 is an apocalyptic number.

It is an amenable number.

363490189 is a deficient number, since it is larger than the sum of its proper divisors (1).

363490189 is an equidigital number, since it uses as much as digits as its factorization.

363490189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 363490189 is about 19065.4186683639. The cubic root of 363490189 is about 713.6702027599.

The spelling of 363490189 in words is "three hundred sixty-three million, four hundred ninety thousand, one hundred eighty-nine".