2132320613 has 4 divisors (see below), whose sum is σ = 2205848940. Its totient is φ = 2058792288.

The previous prime is 2132320609. The next prime is 2132320643. The reversal of 2132320613 is 3160232312.

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 978563524 + 1153757089 = 31282^2 + 33967^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132320613 - 2² = 2132320609 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 (2132320643) 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, 36764120 + ... + 36764177.

It is an arithmetic number, because the mean of its divisors is an integer number (551462235).

Almost surely, 2^2132320613 is an apocalyptic number.

It is an amenable number.

2132320613 is a deficient number, since it is larger than the sum of its proper divisors (73528327).

2132320613 is an equidigital number, since it uses as much as digits as its factorization.

2132320613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73528326.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2132320613 is about 46177.0572145952. The cubic root of 2132320613 is about 1287.1154449966.

Adding to 2132320613 its reverse (3160232312), we get a palindrome (5292552925).

The spelling of 2132320613 in words is "two billion, one hundred thirty-two million, three hundred twenty thousand, six hundred thirteen".