5844547721 has 2 divisors, whose sum is σ = 5844547722. Its totient is φ = 5844547720.

The previous prime is 5844547717. The next prime is 5844547771. The reversal of 5844547721 is 1277454485.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5112250000 + 732297721 = 71500^2 + 27061^2 .

It is a cyclic number.

It is not a de Polignac number, because 5844547721 - 2² = 5844547717 is a prime.

It is not a weakly prime, because it can be changed into another prime (5844547771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2922273860 + 2922273861.

It is an arithmetic number, because the mean of its divisors is an integer number (2922273861).

Almost surely, 2^5844547721 is an apocalyptic number.

It is an amenable number.

5844547721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5844547721 is an equidigital number, since it uses as much as digits as its factorization.

5844547721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1254400, while the sum is 47.

The square root of 5844547721 is about 76449.6417323195. The cubic root of 5844547721 is about 1801.2899930874.

The spelling of 5844547721 in words is "five billion, eight hundred forty-four million, five hundred forty-seven thousand, seven hundred twenty-one".