495777049 has 4 divisors (see below), whose sum is σ = 498346036. Its totient is φ = 493208064.

The previous prime is 495777047. The next prime is 495777077. The reversal of 495777049 is 940777594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940777594 = 2 ⋅470388797.

It can be written as a sum of positive squares in 2 ways, for example, as 102151449 + 393625600 = 10107^2 + 19840^2 .

It is a cyclic number.

It is not a de Polignac number, because 495777049 - 2¹ = 495777047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495776987 and 495777005.

It is not an unprimeable number, because it can be changed into a prime (495777047) 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, 1284204 + ... + 1284589.

It is an arithmetic number, because the mean of its divisors is an integer number (124586509).

Almost surely, 2^495777049 is an apocalyptic number.

It is an amenable number.

495777049 is a deficient number, since it is larger than the sum of its proper divisors (2568987).

495777049 is a wasteful number, since it uses less digits than its factorization.

495777049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568986.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The square root of 495777049 is about 22266.0514910031. The cubic root of 495777049 is about 791.4596998743.

The spelling of 495777049 in words is "four hundred ninety-five million, seven hundred seventy-seven thousand, forty-nine".