493622993 has 4 divisors (see below), whose sum is σ = 498236400. Its totient is φ = 489009588.

The previous prime is 493622989. The next prime is 493623001. The reversal of 493622993 is 399226394.

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 not a de Polignac number, because 493622993 - 2² = 493622989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493622933) 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, 2306543 + ... + 2306756.

It is an arithmetic number, because the mean of its divisors is an integer number (124559100).

Almost surely, 2^493622993 is an apocalyptic number.

It is an amenable number.

493622993 is a deficient number, since it is larger than the sum of its proper divisors (4613407).

493622993 is a wasteful number, since it uses less digits than its factorization.

493622993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613406.

The product of its digits is 629856, while the sum is 47.

The square root of 493622993 is about 22217.6279787020. The cubic root of 493622993 is about 790.3117890169.

The spelling of 493622993 in words is "four hundred ninety-three million, six hundred twenty-two thousand, nine hundred ninety-three".