99983438963 has 2 divisors, whose sum is σ = 99983438964. Its totient is φ = 99983438962.

The previous prime is 99983438957. The next prime is 99983438999. The reversal of 99983438963 is 36983438999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99983438963 - 2⁶ = 99983438899 is a prime.

It is not a weakly prime, because it can be changed into another prime (99983488963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991719481 + 49991719482.

It is an arithmetic number, because the mean of its divisors is an integer number (49991719482).

Almost surely, 2^99983438963 is an apocalyptic number.

99983438963 is a deficient number, since it is larger than the sum of its proper divisors (1).

99983438963 is an equidigital number, since it uses as much as digits as its factorization.

99983438963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272097792, while the sum is 71.

The spelling of 99983438963 in words is "ninety-nine billion, nine hundred eighty-three million, four hundred thirty-eight thousand, nine hundred sixty-three".