48782547689 has 2 divisors, whose sum is σ = 48782547690. Its totient is φ = 48782547688.

The previous prime is 48782547641. The next prime is 48782547691. The reversal of 48782547689 is 98674528784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31538918464 + 17243629225 = 177592^2 + 131315^2 .

It is a cyclic number.

It is not a de Polignac number, because 48782547689 - 2⁸ = 48782547433 is a prime.

Together with 48782547691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48782547089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24391273844 + 24391273845.

It is an arithmetic number, because the mean of its divisors is an integer number (24391273845).

Almost surely, 2^48782547689 is an apocalyptic number.

It is an amenable number.

48782547689 is a deficient number, since it is larger than the sum of its proper divisors (1).

48782547689 is an equidigital number, since it uses as much as digits as its factorization.

48782547689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216760320, while the sum is 68.

The spelling of 48782547689 in words is "forty-eight billion, seven hundred eighty-two million, five hundred forty-seven thousand, six hundred eighty-nine".