83503688969 has 2 divisors, whose sum is σ = 83503688970. Its totient is φ = 83503688968.

The previous prime is 83503688929. The next prime is 83503688971. The reversal of 83503688969 is 96988630538.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82955520400 + 548168569 = 288020^2 + 23413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83503688969 is a prime.

It is a super-2 number, since 2×83503688969² (a number of 23 digits) contains 22 as substring.

Together with 83503688971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83503688929) 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, 41751844484 + 41751844485.

It is an arithmetic number, because the mean of its divisors is an integer number (41751844485).

Almost surely, 2^83503688969 is an apocalyptic number.

It is an amenable number.

83503688969 is a deficient number, since it is larger than the sum of its proper divisors (1).

83503688969 is an equidigital number, since it uses as much as digits as its factorization.

83503688969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 83503688969 in words is "eighty-three billion, five hundred three million, six hundred eighty-eight thousand, nine hundred sixty-nine".