5361821861 has 16 divisors (see below), whose sum is σ = 6072442560. Its totient is φ = 4689592320.

The previous prime is 5361821851. The next prime is 5361821867. The reversal of 5361821861 is 1681281635.

It is a de Polignac number, because none of the positive numbers 2^k-5361821861 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 (5361821867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60581 + ... + 119973.

It is an arithmetic number, because the mean of its divisors is an integer number (379527660).

Almost surely, 2^5361821861 is an apocalyptic number.

It is an amenable number.

5361821861 is a deficient number, since it is larger than the sum of its proper divisors (710620699).

5361821861 is a wasteful number, since it uses less digits than its factorization.

5361821861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59716.

The product of its digits is 69120, while the sum is 41.

The square root of 5361821861 is about 73224.4621762427. The cubic root of 5361821861 is about 1750.2662844862.

The spelling of 5361821861 in words is "five billion, three hundred sixty-one million, eight hundred twenty-one thousand, eight hundred sixty-one".