468399189 has 4 divisors (see below), whose sum is σ = 624532256. Its totient is φ = 312266124.

The previous prime is 468399143. The next prime is 468399199. The reversal of 468399189 is 981993864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 468399189 - 2¹⁶ = 468333653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468399109) 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 in 3 ways as a sum of consecutive naturals, for example, 78066529 + ... + 78066534.

It is an arithmetic number, because the mean of its divisors is an integer number (156133064).

Almost surely, 2^468399189 is an apocalyptic number.

It is an amenable number.

468399189 is a deficient number, since it is larger than the sum of its proper divisors (156133067).

468399189 is a wasteful number, since it uses less digits than its factorization.

468399189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156133066.

The product of its digits is 3359232, while the sum is 57.

The square root of 468399189 is about 21642.5319452230. The cubic root of 468399189 is about 776.6142912198.

The spelling of 468399189 in words is "four hundred sixty-eight million, three hundred ninety-nine thousand, one hundred eighty-nine".