99418429718 has 4 divisors (see below), whose sum is σ = 149127644580. Its totient is φ = 49709214858.

The previous prime is 99418429699. The next prime is 99418429807. The reversal of 99418429718 is 81792481499.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24854607428 + ... + 24854607431.

It is an arithmetic number, because the mean of its divisors is an integer number (37281911145).

Almost surely, 2^99418429718 is an apocalyptic number.

99418429718 is a deficient number, since it is larger than the sum of its proper divisors (49709214862).

99418429718 is a wasteful number, since it uses less digits than its factorization.

99418429718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49709214861.

The product of its digits is 10450944, while the sum is 62.

The spelling of 99418429718 in words is "ninety-nine billion, four hundred eighteen million, four hundred twenty-nine thousand, seven hundred eighteen".