495871905 has 8 divisors (see below), whose sum is σ = 793395072. Its totient is φ = 264465008.

The previous prime is 495871889. The next prime is 495871907. The reversal of 495871905 is 509178594.

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 495871905 - 2⁴ = 495871889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495871907) 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, 16529049 + ... + 16529078.

It is an arithmetic number, because the mean of its divisors is an integer number (99174384).

Almost surely, 2^495871905 is an apocalyptic number.

It is an amenable number.

495871905 is a deficient number, since it is larger than the sum of its proper divisors (297523167).

495871905 is a wasteful number, since it uses less digits than its factorization.

495871905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058135.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 495871905 is about 22268.1814479764. The cubic root of 495871905 is about 791.5101727726.

The spelling of 495871905 in words is "four hundred ninety-five million, eight hundred seventy-one thousand, nine hundred five".