493474085813 has 2 divisors, whose sum is σ = 493474085814. Its totient is φ = 493474085812.

The previous prime is 493474085809. The next prime is 493474085837. The reversal of 493474085813 is 318580474394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485415971524 + 8058114289 = 696718^2 + 89767^2 .

It is a cyclic number.

It is not a de Polignac number, because 493474085813 - 2² = 493474085809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493474085803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246737042906 + 246737042907.

It is an arithmetic number, because the mean of its divisors is an integer number (246737042907).

Almost surely, 2^493474085813 is an apocalyptic number.

It is an amenable number.

493474085813 is a deficient number, since it is larger than the sum of its proper divisors (1).

493474085813 is an equidigital number, since it uses as much as digits as its factorization.

493474085813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 493474085813 in words is "four hundred ninety-three billion, four hundred seventy-four million, eighty-five thousand, eight hundred thirteen".