495079189 has 4 divisors (see below), whose sum is σ = 540086400. Its totient is φ = 450071980.

The previous prime is 495079187. The next prime is 495079243. The reversal of 495079189 is 981970594.

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 not a de Polignac number, because 495079189 - 2¹ = 495079187 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 (495079187) 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, 22503589 + ... + 22503610.

It is an arithmetic number, because the mean of its divisors is an integer number (135021600).

Almost surely, 2^495079189 is an apocalyptic number.

It is an amenable number.

495079189 is a deficient number, since it is larger than the sum of its proper divisors (45007211).

495079189 is a wasteful number, since it uses less digits than its factorization.

495079189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45007210.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 495079189 is about 22250.3750305472. The cubic root of 495079189 is about 791.0881703571.

The spelling of 495079189 in words is "four hundred ninety-five million, seventy-nine thousand, one hundred eighty-nine".