99994249447 has 16 divisors (see below), whose sum is σ = 103705920640. Its totient is φ = 96371638272.

The previous prime is 99994249409. The next prime is 99994249457. The reversal of 99994249447 is 74494249999.

It is a 15-Lehmer number, since φ(99994249447) divides (99994249447-1)¹⁵.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99994249447 is a prime.

It is a super-3 number, since 3×99994249447³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994249457) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 470023 + ... + 648775.

It is an arithmetic number, because the mean of its divisors is an integer number (6481620040).

Almost surely, 2^99994249447 is an apocalyptic number.

99994249447 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

99994249447 is a deficient number, since it is larger than the sum of its proper divisors (3711671193).

99994249447 is a wasteful number, since it uses less digits than its factorization.

99994249447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179002.

The product of its digits is 211631616, while the sum is 70.

The spelling of 99994249447 in words is "ninety-nine billion, nine hundred ninety-four million, two hundred forty-nine thousand, four hundred forty-seven".