5450337721 has 2 divisors, whose sum is σ = 5450337722. Its totient is φ = 5450337720.

The previous prime is 5450337709. The next prime is 5450337787. The reversal of 5450337721 is 1277330545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3023790121 + 2426547600 = 54989^2 + 49260^2 .

It is a cyclic number.

It is not a de Polignac number, because 5450337721 - 2¹³ = 5450329529 is a prime.

It is not a weakly prime, because it can be changed into another prime (5450332721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725168860 + 2725168861.

It is an arithmetic number, because the mean of its divisors is an integer number (2725168861).

Almost surely, 2^5450337721 is an apocalyptic number.

It is an amenable number.

5450337721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5450337721 is an equidigital number, since it uses as much as digits as its factorization.

5450337721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 5450337721 is about 73826.4026009665. The cubic root of 5450337721 is about 1759.8452129068.

The spelling of 5450337721 in words is "five billion, four hundred fifty million, three hundred thirty-seven thousand, seven hundred twenty-one".