608762643613 has 4 divisors (see below), whose sum is σ = 629754458940. Its totient is φ = 587770828288.

The previous prime is 608762643569. The next prime is 608762643647. The reversal of 608762643613 is 316346267806.

608762643613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316346267806 = 2 ⋅158173133903.

It can be written as a sum of positive squares in 2 ways, for example, as 420387547129 + 188375096484 = 648373^2 + 434022^2 .

It is a cyclic number.

It is not a de Polignac number, because 608762643613 - 2¹³ = 608762635421 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 (608762643653) 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, 10495907620 + ... + 10495907677.

It is an arithmetic number, because the mean of its divisors is an integer number (157438614735).

Almost surely, 2^608762643613 is an apocalyptic number.

It is an amenable number.

608762643613 is a deficient number, since it is larger than the sum of its proper divisors (20991815327).

608762643613 is a wasteful number, since it uses less digits than its factorization.

608762643613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20991815326.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 608762643613 in words is "six hundred eight billion, seven hundred sixty-two million, six hundred forty-three thousand, six hundred thirteen".