496789049 has 4 divisors (see below), whose sum is σ = 499660836. Its totient is φ = 493917264.

The previous prime is 496789039. The next prime is 496789057. The reversal of 496789049 is 940987694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940987694 = 2 ⋅470493847.

It can be written as a sum of positive squares in 2 ways, for example, as 416364025 + 80425024 = 20405^2 + 8968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-496789049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 496788985 and 496789003.

It is not an unprimeable number, because it can be changed into a prime (496789009) 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, 1435634 + ... + 1435979.

It is an arithmetic number, because the mean of its divisors is an integer number (124915209).

Almost surely, 2^496789049 is an apocalyptic number.

It is an amenable number.

496789049 is a deficient number, since it is larger than the sum of its proper divisors (2871787).

496789049 is a wasteful number, since it uses less digits than its factorization.

496789049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871786.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 496789049 is about 22288.7650846789. The cubic root of 496789049 is about 791.9978536358.

The spelling of 496789049 in words is "four hundred ninety-six million, seven hundred eighty-nine thousand, forty-nine".