2948448491 has 4 divisors (see below), whose sum is σ = 2948667000. Its totient is φ = 2948229984.

The previous prime is 2948448487. The next prime is 2948448523. The reversal of 2948448491 is 1948448492.

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

It is a cyclic number.

It is not a de Polignac number, because 2948448491 - 2² = 2948448487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2948448421) 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, 87581 + ... + 116478.

It is an arithmetic number, because the mean of its divisors is an integer number (737166750).

Almost surely, 2^2948448491 is an apocalyptic number.

2948448491 is a deficient number, since it is larger than the sum of its proper divisors (218509).

2948448491 is a wasteful number, since it uses less digits than its factorization.

2948448491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218508.

The product of its digits is 2654208, while the sum is 53.

The square root of 2948448491 is about 54299.6177795019. The cubic root of 2948448491 is about 1433.9406671892.

Subtracting from 2948448491 its reverse (1948448492), we obtain a palindrome (999999999).

The spelling of 2948448491 in words is "two billion, nine hundred forty-eight million, four hundred forty-eight thousand, four hundred ninety-one".