495049889 has 8 divisors (see below), whose sum is σ = 497800800. Its totient is φ = 492307200.

The previous prime is 495049873. The next prime is 495049913. The reversal of 495049889 is 988940594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495049889 - 2⁴ = 495049873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495049859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146954 + ... + 150284.

It is an arithmetic number, because the mean of its divisors is an integer number (62225100).

Almost surely, 2^495049889 is an apocalyptic number.

It is an amenable number.

495049889 is a deficient number, since it is larger than the sum of its proper divisors (2750911).

495049889 is a wasteful number, since it uses less digits than its factorization.

495049889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The square root of 495049889 is about 22249.7166049368. The cubic root of 495049889 is about 791.0725638702.

The spelling of 495049889 in words is "four hundred ninety-five million, forty-nine thousand, eight hundred eighty-nine".