493968903 has 4 divisors (see below), whose sum is σ = 658625208. Its totient is φ = 329312600.

The previous prime is 493968901. The next prime is 493968929. The reversal of 493968903 is 309869394.

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 493968903 - 2¹ = 493968901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493968901) 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, 82328148 + ... + 82328153.

It is an arithmetic number, because the mean of its divisors is an integer number (164656302).

Almost surely, 2^493968903 is an apocalyptic number.

493968903 is a deficient number, since it is larger than the sum of its proper divisors (164656305).

493968903 is a wasteful number, since it uses less digits than its factorization.

493968903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164656304.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 493968903 is about 22225.4111997956. The cubic root of 493968903 is about 790.4963515425.

The spelling of 493968903 in words is "four hundred ninety-three million, nine hundred sixty-eight thousand, nine hundred three".