9143883521 has 2 divisors, whose sum is σ = 9143883522. Its totient is φ = 9143883520.

The previous prime is 9143883503. The next prime is 9143883527. The reversal of 9143883521 is 1253883419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9031841296 + 112042225 = 95036^2 + 10585^2 .

It is an emirp because it is prime and its reverse (1253883419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9143883521 - 2¹⁴ = 9143867137 is a prime.

It is a super-2 number, since 2×9143883521² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9143883527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4571941760 + 4571941761.

It is an arithmetic number, because the mean of its divisors is an integer number (4571941761).

Almost surely, 2^9143883521 is an apocalyptic number.

It is an amenable number.

9143883521 is a deficient number, since it is larger than the sum of its proper divisors (1).

9143883521 is an equidigital number, since it uses as much as digits as its factorization.

9143883521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 9143883521 is about 95623.6556559097. The cubic root of 9143883521 is about 2091.1100778585.

The spelling of 9143883521 in words is "nine billion, one hundred forty-three million, eight hundred eighty-three thousand, five hundred twenty-one".