48136491589 has 2 divisors, whose sum is σ = 48136491590. Its totient is φ = 48136491588.

The previous prime is 48136491547. The next prime is 48136491607. The reversal of 48136491589 is 98519463184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37953663489 + 10182828100 = 194817^2 + 100910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48136491589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48136401589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24068245794 + 24068245795.

It is an arithmetic number, because the mean of its divisors is an integer number (24068245795).

Almost surely, 2^48136491589 is an apocalyptic number.

It is an amenable number.

48136491589 is a deficient number, since it is larger than the sum of its proper divisors (1).

48136491589 is an equidigital number, since it uses as much as digits as its factorization.

48136491589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 58.

The spelling of 48136491589 in words is "forty-eight billion, one hundred thirty-six million, four hundred ninety-one thousand, five hundred eighty-nine".