99388424951 has 2 divisors, whose sum is σ = 99388424952. Its totient is φ = 99388424950.

The previous prime is 99388424903. The next prime is 99388424959. The reversal of 99388424951 is 15942488399.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99388424951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99388424959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49694212475 + 49694212476.

It is an arithmetic number, because the mean of its divisors is an integer number (49694212476).

Almost surely, 2^99388424951 is an apocalyptic number.

99388424951 is a deficient number, since it is larger than the sum of its proper divisors (1).

99388424951 is an equidigital number, since it uses as much as digits as its factorization.

99388424951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 62.

The spelling of 99388424951 in words is "ninety-nine billion, three hundred eighty-eight million, four hundred twenty-four thousand, nine hundred fifty-one".