494950594489 has 4 divisors (see below), whose sum is σ = 533023717156. Its totient is φ = 456877471824.

The previous prime is 494950594487. The next prime is 494950594507. The reversal of 494950594489 is 984495059494.

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 248095640464 + 246854954025 = 498092^2 + 496845^2 .

It is a cyclic number.

It is not a de Polignac number, because 494950594489 - 2¹ = 494950594487 is a prime.

It is a super-2 number, since 2×494950594489² (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 (494950594487) 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, 19036561314 + ... + 19036561339.

It is an arithmetic number, because the mean of its divisors is an integer number (133255929289).

Almost surely, 2^494950594489 is an apocalyptic number.

It is an amenable number.

494950594489 is a deficient number, since it is larger than the sum of its proper divisors (38073122667).

494950594489 is a wasteful number, since it uses less digits than its factorization.

494950594489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38073122666.

The product of its (nonzero) digits is 335923200, while the sum is 70.

The spelling of 494950594489 in words is "four hundred ninety-four billion, nine hundred fifty million, five hundred ninety-four thousand, four hundred eighty-nine".