83450669 has 2 divisors, whose sum is σ = 83450670. Its totient is φ = 83450668.

The previous prime is 83450611. The next prime is 83450677. The reversal of 83450669 is 96605438.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67848169 + 15602500 = 8237^2 + 3950^2 .

It is a cyclic number.

It is not a de Polignac number, because 83450669 - 2²⁰ = 82402093 is a prime.

It is a super-2 number, since 2×83450669² = 13928028313095122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83456669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41725334 + 41725335.

It is an arithmetic number, because the mean of its divisors is an integer number (41725335).

Almost surely, 2^83450669 is an apocalyptic number.

It is an amenable number.

83450669 is a deficient number, since it is larger than the sum of its proper divisors (1).

83450669 is an equidigital number, since it uses as much as digits as its factorization.

83450669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 83450669 is about 9135.1337702302. The cubic root of 83450669 is about 436.9951405185.

The spelling of 83450669 in words is "eighty-three million, four hundred fifty thousand, six hundred sixty-nine".