494911583 has 4 divisors (see below), whose sum is σ = 494962368. Its totient is φ = 494860800.

The previous prime is 494911577. The next prime is 494911589. The reversal of 494911583 is 385119494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 385119494 = 2 ⋅192559747.

It is an interprime number because it is at equal distance from previous prime (494911577) and next prime (494911589).

It is a cyclic number.

It is not a de Polignac number, because 494911583 - 2¹² = 494907487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494911589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5666 + ... + 31967.

It is an arithmetic number, because the mean of its divisors is an integer number (123740592).

Almost surely, 2^494911583 is an apocalyptic number.

494911583 is a deficient number, since it is larger than the sum of its proper divisors (50785).

494911583 is a wasteful number, since it uses less digits than its factorization.

494911583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50784.

The product of its digits is 155520, while the sum is 44.

The square root of 494911583 is about 22246.6083482404. The cubic root of 494911583 is about 790.9988876105.

The spelling of 494911583 in words is "four hundred ninety-four million, nine hundred eleven thousand, five hundred eighty-three".