606820284893 has 4 divisors (see below), whose sum is σ = 612387443580. Its totient is φ = 601253126208.

The previous prime is 606820284871. The next prime is 606820284899. The reversal of 606820284893 is 398482028606.

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 231127293049 + 375692991844 = 480757^2 + 612938^2 .

It is a cyclic number.

It is not a de Polignac number, because 606820284893 - 2¹⁸ = 606820022749 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 (606820284899) 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, 2783579180 + ... + 2783579397.

It is an arithmetic number, because the mean of its divisors is an integer number (153096860895).

Almost surely, 2^606820284893 is an apocalyptic number.

It is an amenable number.

606820284893 is a deficient number, since it is larger than the sum of its proper divisors (5567158687).

606820284893 is a wasteful number, since it uses less digits than its factorization.

606820284893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567158686.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 606820284893 in words is "six hundred six billion, eight hundred twenty million, two hundred eighty-four thousand, eight hundred ninety-three".