99994143598 has 16 divisors (see below), whose sum is σ = 150242747616. Its totient is φ = 49913264800.

The previous prime is 99994143583. The next prime is 99994143653. The reversal of 99994143598 is 89534149999.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 8480415 + ... + 8492197.

It is an arithmetic number, because the mean of its divisors is an integer number (9390171726).

Almost surely, 2^99994143598 is an apocalyptic number.

99994143598 is a deficient number, since it is larger than the sum of its proper divisors (50248604018).

99994143598 is a wasteful number, since it uses less digits than its factorization.

99994143598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18539.

The product of its digits is 113374080, while the sum is 70.

The spelling of 99994143598 in words is "ninety-nine billion, nine hundred ninety-four million, one hundred forty-three thousand, five hundred ninety-eight".