5361643729 has 8 divisors (see below), whose sum is σ = 5810857640. Its totient is φ = 4917684096.

The previous prime is 5361643697. The next prime is 5361643733. The reversal of 5361643729 is 9273461635.

It can be written as a sum of positive squares in 4 ways, for example, as 482900625 + 4878743104 = 21975^2 + 69848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5361643729 - 2⁵ = 5361643697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5361643789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311444 + ... + 1315525.

It is an arithmetic number, because the mean of its divisors is an integer number (726357205).

Almost surely, 2^5361643729 is an apocalyptic number.

It is an amenable number.

5361643729 is a deficient number, since it is larger than the sum of its proper divisors (449213911).

5361643729 is a wasteful number, since it uses less digits than its factorization.

5361643729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627139.

The product of its digits is 816480, while the sum is 46.

The square root of 5361643729 is about 73223.2458239868. The cubic root of 5361643729 is about 1750.2469016536.

The spelling of 5361643729 in words is "five billion, three hundred sixty-one million, six hundred forty-three thousand, seven hundred twenty-nine".