99430805503 has 2 divisors, whose sum is σ = 99430805504. Its totient is φ = 99430805502.

The previous prime is 99430805473. The next prime is 99430805519. The reversal of 99430805503 is 30550803499.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99430805503 - 2⁵ = 99430805471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99430805563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49715402751 + 49715402752.

It is an arithmetic number, because the mean of its divisors is an integer number (49715402752).

Almost surely, 2^99430805503 is an apocalyptic number.

99430805503 is a deficient number, since it is larger than the sum of its proper divisors (1).

99430805503 is an equidigital number, since it uses as much as digits as its factorization.

99430805503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 99430805503 in words is "ninety-nine billion, four hundred thirty million, eight hundred five thousand, five hundred three".