5645321113 has 2 divisors, whose sum is σ = 5645321114. Its totient is φ = 5645321112.

The previous prime is 5645321107. The next prime is 5645321141. The reversal of 5645321113 is 3111235465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3696275209 + 1949045904 = 60797^2 + 44148^2 .

It is a cyclic number.

It is not a de Polignac number, because 5645321113 - 2⁹ = 5645320601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5645321813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822660556 + 2822660557.

It is an arithmetic number, because the mean of its divisors is an integer number (2822660557).

Almost surely, 2^5645321113 is an apocalyptic number.

It is an amenable number.

5645321113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645321113 is an equidigital number, since it uses as much as digits as its factorization.

5645321113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 5645321113 is about 75135.3519523267. The cubic root of 5645321113 is about 1780.5857089683.

Adding to 5645321113 its reverse (3111235465), we get a palindrome (8756556578).

The spelling of 5645321113 in words is "five billion, six hundred forty-five million, three hundred twenty-one thousand, one hundred thirteen".