493069321 has 4 divisors (see below), whose sum is σ = 505095444. Its totient is φ = 481043200.

The previous prime is 493069273. The next prime is 493069351. The reversal of 493069321 is 123960394.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156750400 + 336318921 = 12520^2 + 18339^2 .

It is a cyclic number.

It is not a de Polignac number, because 493069321 - 2¹⁷ = 492938249 is a prime.

It is a super-2 number, since 2×493069321² = 486234710622802082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493069351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013000 + ... + 6013081.

It is an arithmetic number, because the mean of its divisors is an integer number (126273861).

Almost surely, 2^493069321 is an apocalyptic number.

493069321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

493069321 is a deficient number, since it is larger than the sum of its proper divisors (12026123).

493069321 is a wasteful number, since it uses less digits than its factorization.

493069321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026122.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 493069321 is about 22205.1642867149. The cubic root of 493069321 is about 790.0161941881.

The spelling of 493069321 in words is "four hundred ninety-three million, sixty-nine thousand, three hundred twenty-one".