83796989413 has 2 divisors, whose sum is σ = 83796989414. Its totient is φ = 83796989412.

The previous prime is 83796989383. The next prime is 83796989417. The reversal of 83796989413 is 31498969738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78501953124 + 5295036289 = 280182^2 + 72767^2 .

It is a cyclic number.

It is not a de Polignac number, because 83796989413 - 2²¹ = 83794892261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83796989417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41898494706 + 41898494707.

It is an arithmetic number, because the mean of its divisors is an integer number (41898494707).

Almost surely, 2^83796989413 is an apocalyptic number.

It is an amenable number.

83796989413 is a deficient number, since it is larger than the sum of its proper divisors (1).

83796989413 is an equidigital number, since it uses as much as digits as its factorization.

83796989413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70543872, while the sum is 67.

The spelling of 83796989413 in words is "eighty-three billion, seven hundred ninety-six million, nine hundred eighty-nine thousand, four hundred thirteen".