494284642601 has 4 divisors (see below), whose sum is σ = 498658843092. Its totient is φ = 489910442112.

The previous prime is 494284642589. The next prime is 494284642619. The reversal of 494284642601 is 106246482494.

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

It can be written as a sum of positive squares in 2 ways, for example, as 250051002601 + 244233640000 = 500051^2 + 494200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494284642601 is a prime.

It is a super-2 number, since 2×494284642601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494284642601.

It is not an unprimeable number, because it can be changed into a prime (494284645601) 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, 2187100076 + ... + 2187100301.

It is an arithmetic number, because the mean of its divisors is an integer number (124664710773).

Almost surely, 2^494284642601 is an apocalyptic number.

It is an amenable number.

494284642601 is a deficient number, since it is larger than the sum of its proper divisors (4374200491).

494284642601 is a wasteful number, since it uses less digits than its factorization.

494284642601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374200490.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The spelling of 494284642601 in words is "four hundred ninety-four billion, two hundred eighty-four million, six hundred forty-two thousand, six hundred one".