493383804649 has 2 divisors, whose sum is σ = 493383804650. Its totient is φ = 493383804648.

The previous prime is 493383804619. The next prime is 493383804689. The reversal of 493383804649 is 946408383394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483164010000 + 10219794649 = 695100^2 + 101093^2 .

It is a cyclic number.

It is not a de Polignac number, because 493383804649 - 2¹³ = 493383796457 is a prime.

It is a super-3 number, since 3×493383804649³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (493383804619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246691902324 + 246691902325.

It is an arithmetic number, because the mean of its divisors is an integer number (246691902325).

Almost surely, 2^493383804649 is an apocalyptic number.

It is an amenable number.

493383804649 is a deficient number, since it is larger than the sum of its proper divisors (1).

493383804649 is an equidigital number, since it uses as much as digits as its factorization.

493383804649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53747712, while the sum is 61.

The spelling of 493383804649 in words is "four hundred ninety-three billion, three hundred eighty-three million, eight hundred four thousand, six hundred forty-nine".