2148960091 has 8 divisors (see below), whose sum is σ = 2178727200. Its totient is φ = 2119318080.

The previous prime is 2148960067. The next prime is 2148960137. The reversal of 2148960091 is 1900698412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148960091 - 2¹¹ = 2148958043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148960041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586 + ... + 65656.

It is an arithmetic number, because the mean of its divisors is an integer number (272340900).

Almost surely, 2^2148960091 is an apocalyptic number.

2148960091 is a deficient number, since it is larger than the sum of its proper divisors (29767109).

2148960091 is an equidigital number, since it uses as much as digits as its factorization.

2148960091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62549.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 2148960091 is about 46356.8774940677. The cubic root of 2148960091 is about 1290.4547584419.

The spelling of 2148960091 in words is "two billion, one hundred forty-eight million, nine hundred sixty thousand, ninety-one".