2148276905 has 8 divisors (see below), whose sum is σ = 2661091584. Its totient is φ = 1663182000.

The previous prime is 2148276901. The next prime is 2148276929. The reversal of 2148276905 is 5096728412.

It is a happy number.

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

It is not a de Polignac number, because 2148276905 - 2² = 2148276901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2148276901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6929771 + ... + 6930080.

It is an arithmetic number, because the mean of its divisors is an integer number (332636448).

Almost surely, 2^2148276905 is an apocalyptic number.

It is an amenable number.

2148276905 is a deficient number, since it is larger than the sum of its proper divisors (512814679).

2148276905 is a wasteful number, since it uses less digits than its factorization.

2148276905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13859887.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2148276905 is about 46349.5081419426. The cubic root of 2148276905 is about 1290.3179924357.

The spelling of 2148276905 in words is "two billion, one hundred forty-eight million, two hundred seventy-six thousand, nine hundred five".