494659731 has 4 divisors (see below), whose sum is σ = 659546312. Its totient is φ = 329773152.

The previous prime is 494659729. The next prime is 494659741. The reversal of 494659731 is 137956494.

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

It is not a de Polignac number, because 494659731 - 2¹ = 494659729 is a prime.

It is a super-2 number, since 2×494659731² = 489376498945984722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494659741) 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, 82443286 + ... + 82443291.

It is an arithmetic number, because the mean of its divisors is an integer number (164886578).

Almost surely, 2^494659731 is an apocalyptic number.

494659731 is a deficient number, since it is larger than the sum of its proper divisors (164886581).

494659731 is a wasteful number, since it uses less digits than its factorization.

494659731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164886580.

The product of its digits is 816480, while the sum is 48.

The square root of 494659731 is about 22240.9471695789. The cubic root of 494659731 is about 790.8646895971.

The spelling of 494659731 in words is "four hundred ninety-four million, six hundred fifty-nine thousand, seven hundred thirty-one".