494142663 has 8 divisors (see below), whose sum is σ = 752979328. Its totient is φ = 282367224.

The previous prime is 494142653. The next prime is 494142667. The reversal of 494142663 is 366241494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494142663 - 2⁶ = 494142599 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 (494142667) 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, 11765281 + ... + 11765322.

It is an arithmetic number, because the mean of its divisors is an integer number (94122416).

Almost surely, 2^494142663 is an apocalyptic number.

494142663 is a deficient number, since it is larger than the sum of its proper divisors (258836665).

494142663 is a wasteful number, since it uses less digits than its factorization.

494142663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23530613.

The product of its digits is 124416, while the sum is 39.

The square root of 494142663 is about 22229.3198951295. The cubic root of 494142663 is about 790.5890298081.

The spelling of 494142663 in words is "four hundred ninety-four million, one hundred forty-two thousand, six hundred sixty-three".