9001448101 has 2 divisors, whose sum is σ = 9001448102.
Its totient is φ = 9001448100.
The previous prime is 9001448077. The next prime is 9001448123. The reversal of 9001448101 is 1018441009.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8718703876 + 282744225 = 93374^2 + 16815^2
It is an emirp because it is prime and its reverse (1018441009) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9001448101 - 215 = 9001415333 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 9001448101.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9001448501) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500724050 + 4500724051.
It is an arithmetic number, because the mean of its divisors is an integer number (4500724051).
Almost surely, 29001448101 is an apocalyptic number.
It is an amenable number.
9001448101 is a deficient number, since it is larger than the sum of its proper divisors (1).
9001448101 is an equidigital number, since it uses as much as digits as its factorization.
9001448101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 9001448101 is about 94875.9616604754.
The cubic root of 9001448101 is about 2080.1953789751.
The spelling of 9001448101 in words is "nine billion, one million, four hundred forty-eight thousand, one hundred one".