495308069 has 4 divisors (see below), whose sum is σ = 496804800. Its totient is φ = 493811340.

The previous prime is 495308057. The next prime is 495308083. The reversal of 495308069 is 960803594.

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 495308069 - 2⁴ = 495308053 is a prime.

It is a super-2 number, since 2×495308069² = 490660166433017522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495308269) 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, 747869 + ... + 748530.

It is an arithmetic number, because the mean of its divisors is an integer number (124201200).

Almost surely, 2^495308069 is an apocalyptic number.

It is an amenable number.

495308069 is a deficient number, since it is larger than the sum of its proper divisors (1496731).

495308069 is a wasteful number, since it uses less digits than its factorization.

495308069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496730.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 495308069 is about 22255.5177203317. The cubic root of 495308069 is about 791.2100608674.

The spelling of 495308069 in words is "four hundred ninety-five million, three hundred eight thousand, sixty-nine".