471620189 has 4 divisors (see below), whose sum is σ = 475013280. Its totient is φ = 468227100.

The previous prime is 471620161. The next prime is 471620197. The reversal of 471620189 is 981026174.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471620189 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 (471620159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696337 + ... + 1696614.

It is an arithmetic number, because the mean of its divisors is an integer number (118753320).

Almost surely, 2^471620189 is an apocalyptic number.

It is an amenable number.

471620189 is a deficient number, since it is larger than the sum of its proper divisors (3393091).

471620189 is a wasteful number, since it uses less digits than its factorization.

471620189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393090.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 471620189 is about 21716.8181140792. The cubic root of 471620189 is about 778.3903849201.

The spelling of 471620189 in words is "four hundred seventy-one million, six hundred twenty thousand, one hundred eighty-nine".