99994143652 has 24 divisors (see below), whose sum is σ = 189606655616. Its totient is φ = 45868003488.

The previous prime is 99994143583. The next prime is 99994143653. The reversal of 99994143652 is 25634149999.

It is not an unprimeable number, because it can be changed into a prime (99994143653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5890188 + ... + 5907139.

Almost surely, 2^99994143652 is an apocalyptic number.

It is an amenable number.

99994143652 is a deficient number, since it is larger than the sum of its proper divisors (89612511964).

99994143652 is a wasteful number, since it uses less digits than its factorization.

99994143652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797507 (or 11797505 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 61.

The spelling of 99994143652 in words is "ninety-nine billion, nine hundred ninety-four million, one hundred forty-three thousand, six hundred fifty-two".