48209581789 has 2 divisors, whose sum is σ = 48209581790. Its totient is φ = 48209581788.

The previous prime is 48209581787. The next prime is 48209581813. The reversal of 48209581789 is 98718590284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48106964889 + 102616900 = 219333^2 + 10130^2 .

It is a cyclic number.

It is not a de Polignac number, because 48209581789 - 2¹ = 48209581787 is a prime.

Together with 48209581787, 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 (48209581787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24104790894 + 24104790895.

It is an arithmetic number, because the mean of its divisors is an integer number (24104790895).

Almost surely, 2^48209581789 is an apocalyptic number.

It is an amenable number.

48209581789 is a deficient number, since it is larger than the sum of its proper divisors (1).

48209581789 is an equidigital number, since it uses as much as digits as its factorization.

48209581789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 61.

The spelling of 48209581789 in words is "forty-eight billion, two hundred nine million, five hundred eighty-one thousand, seven hundred eighty-nine".