9881616383 has 2 divisors, whose sum is σ = 9881616384. Its totient is φ = 9881616382.

The previous prime is 9881616373. The next prime is 9881616403. The reversal of 9881616383 is 3836161889.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9881616383 - 2¹⁸ = 9881354239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9881616373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4940808191 + 4940808192.

It is an arithmetic number, because the mean of its divisors is an integer number (4940808192).

Almost surely, 2^9881616383 is an apocalyptic number.

9881616383 is a deficient number, since it is larger than the sum of its proper divisors (1).

9881616383 is an equidigital number, since it uses as much as digits as its factorization.

9881616383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 53.

The square root of 9881616383 is about 99406.3196331098. The cubic root of 9881616383 is about 2145.8992600193.

The spelling of 9881616383 in words is "nine billion, eight hundred eighty-one million, six hundred sixteen thousand, three hundred eighty-three".