5645113447 has 2 divisors, whose sum is σ = 5645113448. Its totient is φ = 5645113446.

The previous prime is 5645113417. The next prime is 5645113457. The reversal of 5645113447 is 7443115465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5645113447 - 2¹¹ = 5645111399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5645113417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822556723 + 2822556724.

It is an arithmetic number, because the mean of its divisors is an integer number (2822556724).

Almost surely, 2^5645113447 is an apocalyptic number.

5645113447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645113447 is an equidigital number, since it uses as much as digits as its factorization.

5645113447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 40.

The square root of 5645113447 is about 75133.9699936054. The cubic root of 5645113447 is about 1780.5638754511.

The spelling of 5645113447 in words is "five billion, six hundred forty-five million, one hundred thirteen thousand, four hundred forty-seven".