99430128883 has 2 divisors, whose sum is σ = 99430128884. Its totient is φ = 99430128882.

The previous prime is 99430128869. The next prime is 99430128899. The reversal of 99430128883 is 38882103499.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99430128883 is a prime.

It is not a weakly prime, because it can be changed into another prime (99430128583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49715064441 + 49715064442.

It is an arithmetic number, because the mean of its divisors is an integer number (49715064442).

Almost surely, 2^99430128883 is an apocalyptic number.

99430128883 is a deficient number, since it is larger than the sum of its proper divisors (1).

99430128883 is an equidigital number, since it uses as much as digits as its factorization.

99430128883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 99430128883 in words is "ninety-nine billion, four hundred thirty million, one hundred twenty-eight thousand, eight hundred eighty-three".