493053840553 has 4 divisors (see below), whose sum is σ = 493515070660. Its totient is φ = 492592610448.

The previous prime is 493053840509. The next prime is 493053840563. The reversal of 493053840553 is 355048350394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 327792891024 + 165260949529 = 572532^2 + 406523^2 .

It is a cyclic number.

It is not a de Polignac number, because 493053840553 - 2²⁹ = 492516969641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493053840497 and 493053840506.

It is not an unprimeable number, because it can be changed into a prime (493053840563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230613450 + ... + 230615587.

It is an arithmetic number, because the mean of its divisors is an integer number (123378767665).

Almost surely, 2^493053840553 is an apocalyptic number.

It is an amenable number.

493053840553 is a deficient number, since it is larger than the sum of its proper divisors (461230107).

493053840553 is a wasteful number, since it uses less digits than its factorization.

493053840553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461230106.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 493053840553 in words is "four hundred ninety-three billion, fifty-three million, eight hundred forty thousand, five hundred fifty-three".