9883365421 has 2 divisors, whose sum is σ = 9883365422. Its totient is φ = 9883365420.

The previous prime is 9883365379. The next prime is 9883365431. The reversal of 9883365421 is 1245633889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9382053321 + 501312100 = 96861^2 + 22390^2 .

It is a cyclic number.

It is not a de Polignac number, because 9883365421 - 2²⁷ = 9749147693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9883365431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4941682710 + 4941682711.

It is an arithmetic number, because the mean of its divisors is an integer number (4941682711).

Almost surely, 2^9883365421 is an apocalyptic number.

It is an amenable number.

9883365421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9883365421 is an equidigital number, since it uses as much as digits as its factorization.

9883365421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 49.

The square root of 9883365421 is about 99415.1166624070. The cubic root of 9883365421 is about 2146.0258600202.

The spelling of 9883365421 in words is "nine billion, eight hundred eighty-three million, three hundred sixty-five thousand, four hundred twenty-one".