494280057849 has 4 divisors (see below), whose sum is σ = 659040077136. Its totient is φ = 329520038564.

The previous prime is 494280057809. The next prime is 494280057913. The reversal of 494280057849 is 948750082494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494280057849 - 2²⁵ = 494246503417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494280057792 and 494280057801.

It is not an unprimeable number, because it can be changed into a prime (494280057809) 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, 82380009639 + ... + 82380009644.

It is an arithmetic number, because the mean of its divisors is an integer number (164760019284).

Almost surely, 2^494280057849 is an apocalyptic number.

It is an amenable number.

494280057849 is a deficient number, since it is larger than the sum of its proper divisors (164760019287).

494280057849 is a wasteful number, since it uses less digits than its factorization.

494280057849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164760019286.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 494280057849 in words is "four hundred ninety-four billion, two hundred eighty million, fifty-seven thousand, eight hundred forty-nine".