2948148209 has 4 divisors (see below), whose sum is σ = 2975701104. Its totient is φ = 2920595316.

The previous prime is 2948148193. The next prime is 2948148223. The reversal of 2948148209 is 9028418492.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2948148209 - 2⁴ = 2948148193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2948148299) 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, 13776287 + ... + 13776500.

It is an arithmetic number, because the mean of its divisors is an integer number (743925276).

Almost surely, 2^2948148209 is an apocalyptic number.

It is an amenable number.

2948148209 is a deficient number, since it is larger than the sum of its proper divisors (27552895).

2948148209 is a wasteful number, since it uses less digits than its factorization.

2948148209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552894.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2948148209 is about 54296.8526620098. The cubic root of 2948148209 is about 1433.8919860844.

The spelling of 2948148209 in words is "two billion, nine hundred forty-eight million, one hundred forty-eight thousand, two hundred nine".