99000424444001 has 4 divisors (see below), whose sum is σ = 99002643184404. Its totient is φ = 98998205703600.

The previous prime is 99000424443989. The next prime is 99000424444007. The reversal of 99000424444001 is 10044442400099.

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

It can be written as a sum of positive squares in 2 ways, for example, as 97802605830400 + 1197818613601 = 9889520^2 + 1094449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99000424444001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99000424444001.

It is not an unprimeable number, because it can be changed into a prime (99000424444007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109303270 + ... + 1109392511.

It is an arithmetic number, because the mean of its divisors is an integer number (24750660796101).

Almost surely, 2^{99000424444001} is an apocalyptic number.

It is an amenable number.

99000424444001 is a deficient number, since it is larger than the sum of its proper divisors (2218740403).

99000424444001 is a wasteful number, since it uses less digits than its factorization.

99000424444001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218740402.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 99000424444001 in words is "ninety-nine trillion, four hundred twenty-four million, four hundred forty-four thousand, one".