494794022281 has 8 divisors (see below), whose sum is σ = 547256590664. Its totient is φ = 444388809600.

The previous prime is 494794022227. The next prime is 494794022321. The reversal of 494794022281 is 182220497494.

It can be written as a sum of positive squares in 4 ways, for example, as 47400256656 + 447393765625 = 217716^2 + 668875^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 494794022281 - 2⁷ = 494794022153 is a prime.

It is a super-2 number, since 2×494794022281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494794022581) 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, 514338420 + ... + 514339381.

It is an arithmetic number, because the mean of its divisors is an integer number (68407073833).

Almost surely, 2^494794022281 is an apocalyptic number.

It is an amenable number.

494794022281 is a deficient number, since it is larger than the sum of its proper divisors (52462568383).

494794022281 is a wasteful number, since it uses less digits than its factorization.

494794022281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028677851.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 494794022281 in words is "four hundred ninety-four billion, seven hundred ninety-four million, twenty-two thousand, two hundred eighty-one".