83750838449 has 2 divisors, whose sum is σ = 83750838450. Its totient is φ = 83750838448.

The previous prime is 83750838443. The next prime is 83750838461. The reversal of 83750838449 is 94483805738.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80301390625 + 3449447824 = 283375^2 + 58732^2 .

It is a cyclic number.

It is not a de Polignac number, because 83750838449 - 2¹⁶ = 83750772913 is a prime.

It is not a weakly prime, because it can be changed into another prime (83750838443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41875419224 + 41875419225.

It is an arithmetic number, because the mean of its divisors is an integer number (41875419225).

Almost surely, 2^83750838449 is an apocalyptic number.

It is an amenable number.

83750838449 is a deficient number, since it is larger than the sum of its proper divisors (1).

83750838449 is an equidigital number, since it uses as much as digits as its factorization.

83750838449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 83750838449 in words is "eighty-three billion, seven hundred fifty million, eight hundred thirty-eight thousand, four hundred forty-nine".