2160073613 has 4 divisors (see below), whose sum is σ = 2234558940. Its totient is φ = 2085588288.

The previous prime is 2160073529. The next prime is 2160073631. The reversal of 2160073613 is 3163700612.

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 1240589284 + 919484329 = 35222^2 + 30323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160073613 - 2¹⁶ = 2160008077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 74485297 = 2160073613 / (2 + 1 + 6 + 0 + 0 + 7 + 3 + 6 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160073673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37242620 + ... + 37242677.

It is an arithmetic number, because the mean of its divisors is an integer number (558639735).

Almost surely, 2^2160073613 is an apocalyptic number.

It is an amenable number.

2160073613 is a deficient number, since it is larger than the sum of its proper divisors (74485327).

2160073613 is an equidigital number, since it uses as much as digits as its factorization.

2160073613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74485326.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2160073613 is about 46476.5920975280. The cubic root of 2160073613 is about 1292.6754985191.

The spelling of 2160073613 in words is "two billion, one hundred sixty million, seventy-three thousand, six hundred thirteen".