83353597109 has 2 divisors, whose sum is σ = 83353597110. Its totient is φ = 83353597108.

The previous prime is 83353597099. The next prime is 83353597111. The reversal of 83353597109 is 90179535338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83318822500 + 34774609 = 288650^2 + 5897^2 .

It is a cyclic number.

It is not a de Polignac number, because 83353597109 - 2⁸ = 83353596853 is a prime.

It is a Sophie Germain prime.

Together with 83353597111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83353590109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41676798554 + 41676798555.

It is an arithmetic number, because the mean of its divisors is an integer number (41676798555).

Almost surely, 2^83353597109 is an apocalyptic number.

It is an amenable number.

83353597109 is a deficient number, since it is larger than the sum of its proper divisors (1).

83353597109 is an equidigital number, since it uses as much as digits as its factorization.

83353597109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 83353597109 in words is "eighty-three billion, three hundred fifty-three million, five hundred ninety-seven thousand, one hundred nine".