2448421709 has 2 divisors, whose sum is σ = 2448421710. Its totient is φ = 2448421708.

The previous prime is 2448421639. The next prime is 2448421711. The reversal of 2448421709 is 9071248442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2225008900 + 223412809 = 47170^2 + 14947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2448421709 is a prime.

Together with 2448421711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2448621709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224210854 + 1224210855.

It is an arithmetic number, because the mean of its divisors is an integer number (1224210855).

Almost surely, 2^2448421709 is an apocalyptic number.

It is an amenable number.

2448421709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448421709 is an equidigital number, since it uses as much as digits as its factorization.

2448421709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 2448421709 is about 49481.5289678886. The cubic root of 2448421709 is about 1347.8102055678.

The spelling of 2448421709 in words is "two billion, four hundred forty-eight million, four hundred twenty-one thousand, seven hundred nine".