83279129513 has 2 divisors, whose sum is σ = 83279129514. Its totient is φ = 83279129512.

The previous prime is 83279129443. The next prime is 83279129677. The reversal of 83279129513 is 31592197238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82689028249 + 590101264 = 287557^2 + 24292^2 .

It is a cyclic number.

It is not a de Polignac number, because 83279129513 - 2²⁶ = 83212020649 is a prime.

It is not a weakly prime, because it can be changed into another prime (83279129413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41639564756 + 41639564757.

It is an arithmetic number, because the mean of its divisors is an integer number (41639564757).

Almost surely, 2^83279129513 is an apocalyptic number.

It is an amenable number.

83279129513 is a deficient number, since it is larger than the sum of its proper divisors (1).

83279129513 is an equidigital number, since it uses as much as digits as its factorization.

83279129513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The spelling of 83279129513 in words is "eighty-three billion, two hundred seventy-nine million, one hundred twenty-nine thousand, five hundred thirteen".