2450842789 has 2 divisors, whose sum is σ = 2450842790. Its totient is φ = 2450842788.

The previous prime is 2450842787. The next prime is 2450842879. The reversal of 2450842789 is 9872480542.

Together with next prime (2450842879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2436212164 + 14630625 = 49358^2 + 3825^2 .

It is a cyclic number.

It is not a de Polignac number, because 2450842789 - 2¹ = 2450842787 is a prime.

Together with 2450842787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2450842783) 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 as a sum of consecutive naturals, namely, 1225421394 + 1225421395.

It is an arithmetic number, because the mean of its divisors is an integer number (1225421395).

Almost surely, 2^2450842789 is an apocalyptic number.

It is an amenable number.

2450842789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2450842789 is an equidigital number, since it uses as much as digits as its factorization.

2450842789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 2450842789 is about 49505.9874055654. The cubic root of 2450842789 is about 1348.2543122534.

The spelling of 2450842789 in words is "two billion, four hundred fifty million, eight hundred forty-two thousand, seven hundred eighty-nine".