613045824169 has 4 divisors (see below), whose sum is σ = 613066126420. Its totient is φ = 613025521920.

The previous prime is 613045824137. The next prime is 613045824211. The reversal of 613045824169 is 961428540316.

613045824169 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.

It can be written as a sum of positive squares in 2 ways, for example, as 27155084944 + 585890739225 = 164788^2 + 765435^2 .

It is a cyclic number.

It is not a de Polignac number, because 613045824169 - 2⁵ = 613045824137 is a prime.

It is a super-2 number, since 2×613045824169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613045824569) 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, 10105764 + ... + 10166245.

It is an arithmetic number, because the mean of its divisors is an integer number (153266531605).

Almost surely, 2^613045824169 is an apocalyptic number.

It is an amenable number.

613045824169 is a deficient number, since it is larger than the sum of its proper divisors (20302251).

613045824169 is a wasteful number, since it uses less digits than its factorization.

613045824169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20302250.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 613045824169 in words is "six hundred thirteen billion, forty-five million, eight hundred twenty-four thousand, one hundred sixty-nine".