493722433 has 4 divisors (see below), whose sum is σ = 500485828. Its totient is φ = 486959040.

The previous prime is 493722409. The next prime is 493722469. The reversal of 493722433 is 334227394.

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 368908849 + 124813584 = 19207^2 + 11172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493722433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493722392 and 493722401.

It is not an unprimeable number, because it can be changed into a prime (493722233) 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, 3381588 + ... + 3381733.

It is an arithmetic number, because the mean of its divisors is an integer number (125121457).

Almost surely, 2^493722433 is an apocalyptic number.

It is an amenable number.

493722433 is a deficient number, since it is larger than the sum of its proper divisors (6763395).

493722433 is an equidigital number, since it uses as much as digits as its factorization.

493722433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763394.

The product of its digits is 108864, while the sum is 37.

The square root of 493722433 is about 22219.8657286672. The cubic root of 493722433 is about 790.3648547025.

The spelling of 493722433 in words is "four hundred ninety-three million, seven hundred twenty-two thousand, four hundred thirty-three".