493256845387 has 2 divisors, whose sum is σ = 493256845388. Its totient is φ = 493256845386.

The previous prime is 493256845379. The next prime is 493256845409. The reversal of 493256845387 is 783548652394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493256845387 - 2³ = 493256845379 is a prime.

It is a super-2 number, since 2×493256845387² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (493256845087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246628422693 + 246628422694.

It is an arithmetic number, because the mean of its divisors is an integer number (246628422694).

Almost surely, 2^493256845387 is an apocalyptic number.

493256845387 is a deficient number, since it is larger than the sum of its proper divisors (1).

493256845387 is an equidigital number, since it uses as much as digits as its factorization.

493256845387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174182400, while the sum is 64.

The spelling of 493256845387 in words is "four hundred ninety-three billion, two hundred fifty-six million, eight hundred forty-five thousand, three hundred eighty-seven".