493929913 has 4 divisors (see below), whose sum is σ = 509863168. Its totient is φ = 477996660.

The previous prime is 493929907. The next prime is 493929923. The reversal of 493929913 is 319929394.

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 a de Polignac number, because none of the positive numbers 2^k-493929913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493929923) 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, 7966581 + ... + 7966642.

It is an arithmetic number, because the mean of its divisors is an integer number (127465792).

Almost surely, 2^493929913 is an apocalyptic number.

It is an amenable number.

493929913 is a deficient number, since it is larger than the sum of its proper divisors (15933255).

493929913 is a wasteful number, since it uses less digits than its factorization.

493929913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15933254.

The product of its digits is 472392, while the sum is 49.

The square root of 493929913 is about 22224.5340333605. The cubic root of 493929913 is about 790.4755524844.

The spelling of 493929913 in words is "four hundred ninety-three million, nine hundred twenty-nine thousand, nine hundred thirteen".