83801369 has 2 divisors, whose sum is σ = 83801370. Its totient is φ = 83801368.

The previous prime is 83801357. The next prime is 83801429. The reversal of 83801369 is 96310838.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 34633225 = 7012^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 83801369 - 2⁴ = 83801353 is a prime.

It is a super-2 number, since 2×83801369² = 14045338892548322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83801269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41900684 + 41900685.

It is an arithmetic number, because the mean of its divisors is an integer number (41900685).

Almost surely, 2^83801369 is an apocalyptic number.

It is an amenable number.

83801369 is a deficient number, since it is larger than the sum of its proper divisors (1).

83801369 is an equidigital number, since it uses as much as digits as its factorization.

83801369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 83801369 is about 9154.3087669141. The cubic root of 83801369 is about 437.6064398435.

The spelling of 83801369 in words is "eighty-three million, eight hundred one thousand, three hundred sixty-nine".