494742494 has 16 divisors (see below), whose sum is σ = 780721200. Its totient is φ = 234791424.

The previous prime is 494742487. The next prime is 494742497. The reversal of 494742494 is 494247494.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494742497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68867 + ... + 75710.

It is an arithmetic number, because the mean of its divisors is an integer number (48795075).

Almost surely, 2^494742494 is an apocalyptic number.

494742494 is a deficient number, since it is larger than the sum of its proper divisors (285978706).

494742494 is a wasteful number, since it uses less digits than its factorization.

494742494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144667.

The product of its digits is 1161216, while the sum is 47.

The square root of 494742494 is about 22242.8076914764. The cubic root of 494742494 is about 790.9087944501.

The spelling of 494742494 in words is "four hundred ninety-four million, seven hundred forty-two thousand, four hundred ninety-four".