493490440979 has 4 divisors (see below), whose sum is σ = 505526793240. Its totient is φ = 481454088720.

The previous prime is 493490440951. The next prime is 493490441021. The reversal of 493490440979 is 979044094394.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 493490440979 - 2³⁶ = 424770964243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493490460979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6018176069 + ... + 6018176150.

It is an arithmetic number, because the mean of its divisors is an integer number (126381698310).

Almost surely, 2^493490440979 is an apocalyptic number.

493490440979 is a deficient number, since it is larger than the sum of its proper divisors (12036352261).

493490440979 is a wasteful number, since it uses less digits than its factorization.

493490440979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036352260.

The product of its (nonzero) digits is 35271936, while the sum is 62.

The spelling of 493490440979 in words is "four hundred ninety-three billion, four hundred ninety million, four hundred forty thousand, nine hundred seventy-nine".