493386671111489 has 2 divisors, whose sum is σ = 493386671111490. Its totient is φ = 493386671111488.

The previous prime is 493386671111471. The next prime is 493386671111501. The reversal of 493386671111489 is 984111176683394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489835029335089 + 3551641776400 = 22132217^2 + 1884580^2 .

It is a cyclic number.

It is not a de Polignac number, because 493386671111489 - 2⁴⁴ = 475794485067073 is a prime.

It is a super-2 number, since 2×493386671111489² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (493386671111459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246693335555744 + 246693335555745.

It is an arithmetic number, because the mean of its divisors is an integer number (246693335555745).

Almost surely, 2^{493386671111489} is an apocalyptic number.

It is an amenable number.

493386671111489 is a deficient number, since it is larger than the sum of its proper divisors (1).

493386671111489 is an equidigital number, since it uses as much as digits as its factorization.

493386671111489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188116992, while the sum is 71.

The spelling of 493386671111489 in words is "four hundred ninety-three trillion, three hundred eighty-six billion, six hundred seventy-one million, one hundred eleven thousand, four hundred eighty-nine".