489427763093 has 4 divisors (see below), whose sum is σ = 506304582540. Its totient is φ = 472550943648.

The previous prime is 489427763051. The next prime is 489427763117. The reversal of 489427763093 is 390367724984.

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 146414900164 + 343012862929 = 382642^2 + 585673^2 .

It is a cyclic number.

It is not a de Polignac number, because 489427763093 - 2⁶ = 489427763029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489427763003) 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, 8438409680 + ... + 8438409737.

It is an arithmetic number, because the mean of its divisors is an integer number (126576145635).

Almost surely, 2^489427763093 is an apocalyptic number.

It is an amenable number.

489427763093 is a deficient number, since it is larger than the sum of its proper divisors (16876819447).

489427763093 is a wasteful number, since it uses less digits than its factorization.

489427763093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876819446.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 489427763093 in words is "four hundred eighty-nine billion, four hundred twenty-seven million, seven hundred sixty-three thousand, ninety-three".