83750845469 has 2 divisors, whose sum is σ = 83750845470. Its totient is φ = 83750845468.

The previous prime is 83750845463. The next prime is 83750845471. The reversal of 83750845469 is 96454805738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65235800569 + 18515044900 = 255413^2 + 136070^2 .

It is a cyclic number.

It is not a de Polignac number, because 83750845469 - 2¹² = 83750841373 is a prime.

It is a super-2 number, since 2×83750845469² (a number of 23 digits) contains 22 as substring.

Together with 83750845471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83750845463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41875422734 + 41875422735.

It is an arithmetic number, because the mean of its divisors is an integer number (41875422735).

Almost surely, 2^83750845469 is an apocalyptic number.

It is an amenable number.

83750845469 is a deficient number, since it is larger than the sum of its proper divisors (1).

83750845469 is an equidigital number, since it uses as much as digits as its factorization.

83750845469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 83750845469 in words is "eighty-three billion, seven hundred fifty million, eight hundred forty-five thousand, four hundred sixty-nine".