495959091 has 8 divisors (see below), whose sum is σ = 661382400. Its totient is φ = 330587592.

The previous prime is 495959081. The next prime is 495959141. The reversal of 495959091 is 190959594.

It is a happy number.

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

It is not a de Polignac number, because 495959091 - 2¹⁵ = 495926323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (495959011) 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, 26946 + ... + 41448.

It is an arithmetic number, because the mean of its divisors is an integer number (82672800).

Almost surely, 2^495959091 is an apocalyptic number.

495959091 is a deficient number, since it is larger than the sum of its proper divisors (165423309).

495959091 is a wasteful number, since it uses less digits than its factorization.

495959091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25905.

The product of its (nonzero) digits is 656100, while the sum is 51.

The square root of 495959091 is about 22270.1389982191. The cubic root of 495959091 is about 791.5565587856.

The spelling of 495959091 in words is "four hundred ninety-five million, nine hundred fifty-nine thousand, ninety-one".