495575749 has 4 divisors (see below), whose sum is σ = 495788364. Its totient is φ = 495363136.

The previous prime is 495575737. The next prime is 495575777. The reversal of 495575749 is 947575594.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50154724 + 445421025 = 7082^2 + 21105^2 .

It is a cyclic number.

It is not a de Polignac number, because 495575749 - 2⁷ = 495575621 is a prime.

It is a super-2 number, since 2×495575749² = 491190645993822002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495575749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495575719) 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, 102772 + ... + 107485.

It is an arithmetic number, because the mean of its divisors is an integer number (123947091).

Almost surely, 2^495575749 is an apocalyptic number.

It is an amenable number.

495575749 is a deficient number, since it is larger than the sum of its proper divisors (212615).

495575749 is a wasteful number, since it uses less digits than its factorization.

495575749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212614.

The product of its digits is 7938000, while the sum is 55.

The square root of 495575749 is about 22261.5306975958. The cubic root of 495575749 is about 791.3525667683.

The spelling of 495575749 in words is "four hundred ninety-five million, five hundred seventy-five thousand, seven hundred forty-nine".