493669920497 has 16 divisors (see below), whose sum is σ = 535036255488. Its totient is φ = 452789481600.

The previous prime is 493669920407. The next prime is 493669920509. The reversal of 493669920497 is 794029966394.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493669920497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493669920407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9430997 + ... + 9483197.

It is an arithmetic number, because the mean of its divisors is an integer number (33439765968).

Almost surely, 2^493669920497 is an apocalyptic number.

It is an amenable number.

493669920497 is a deficient number, since it is larger than the sum of its proper divisors (41366334991).

493669920497 is a wasteful number, since it uses less digits than its factorization.

493669920497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56840.

The product of its (nonzero) digits is 158723712, while the sum is 68.

The spelling of 493669920497 in words is "four hundred ninety-three billion, six hundred sixty-nine million, nine hundred twenty thousand, four hundred ninety-seven".