493468537 has 4 divisors (see below), whose sum is σ = 522496116. Its totient is φ = 464440960.

The previous prime is 493468489. The next prime is 493468543. The reversal of 493468537 is 735864394.

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 428117481 + 65351056 = 20691^2 + 8084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493468537 is a prime.

It is a super-3 number, since 3×493468537³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493468837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14513764 + ... + 14513797.

It is an arithmetic number, because the mean of its divisors is an integer number (130624029).

Almost surely, 2^493468537 is an apocalyptic number.

It is an amenable number.

493468537 is a deficient number, since it is larger than the sum of its proper divisors (29027579).

493468537 is a wasteful number, since it uses less digits than its factorization.

493468537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29027578.

The product of its digits is 2177280, while the sum is 49.

The square root of 493468537 is about 22214.1517281214. The cubic root of 493468537 is about 790.2293501695.

The spelling of 493468537 in words is "four hundred ninety-three million, four hundred sixty-eight thousand, five hundred thirty-seven".