493224387889 has 2 divisors, whose sum is σ = 493224387890. Its totient is φ = 493224387888.

The previous prime is 493224387841. The next prime is 493224387907. The reversal of 493224387889 is 988783422394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363980542864 + 129243845025 = 603308^2 + 359505^2 .

It is a cyclic number.

It is not a de Polignac number, because 493224387889 - 2¹⁵ = 493224355121 is a prime.

It is not a weakly prime, because it can be changed into another prime (493224387829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246612193944 + 246612193945.

It is an arithmetic number, because the mean of its divisors is an integer number (246612193945).

Almost surely, 2^493224387889 is an apocalyptic number.

It is an amenable number.

493224387889 is a deficient number, since it is larger than the sum of its proper divisors (1).

493224387889 is an equidigital number, since it uses as much as digits as its factorization.

493224387889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167215104, while the sum is 67.

The spelling of 493224387889 in words is "four hundred ninety-three billion, two hundred twenty-four million, three hundred eighty-seven thousand, eight hundred eighty-nine".