9955871339 has 2 divisors, whose sum is σ = 9955871340. Its totient is φ = 9955871338.

The previous prime is 9955871329. The next prime is 9955871369. The reversal of 9955871339 is 9331785599.

It is a weak prime.

It is an emirp because it is prime and its reverse (9331785599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9955871339 - 2⁴ = 9955871323 is a prime.

It is not a weakly prime, because it can be changed into another prime (9955871329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977935669 + 4977935670.

It is an arithmetic number, because the mean of its divisors is an integer number (4977935670).

Almost surely, 2^9955871339 is an apocalyptic number.

9955871339 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955871339 is an equidigital number, since it uses as much as digits as its factorization.

9955871339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9185400, while the sum is 59.

The square root of 9955871339 is about 99779.1127390898. The cubic root of 9955871339 is about 2151.2609397292.

The spelling of 9955871339 in words is "nine billion, nine hundred fifty-five million, eight hundred seventy-one thousand, three hundred thirty-nine".