8483949209 has 2 divisors, whose sum is σ = 8483949210. Its totient is φ = 8483949208.

The previous prime is 8483949193. The next prime is 8483949239. The reversal of 8483949209 is 9029493848.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7908189184 + 575760025 = 88928^2 + 23995^2 .

It is a cyclic number.

It is not a de Polignac number, because 8483949209 - 2⁴ = 8483949193 is a prime.

It is not a weakly prime, because it can be changed into another prime (8483949239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4241974604 + 4241974605.

It is an arithmetic number, because the mean of its divisors is an integer number (4241974605).

Almost surely, 2^8483949209 is an apocalyptic number.

It is an amenable number.

8483949209 is a deficient number, since it is larger than the sum of its proper divisors (1).

8483949209 is an equidigital number, since it uses as much as digits as its factorization.

8483949209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The square root of 8483949209 is about 92108.3558044546. The cubic root of 8483949209 is about 2039.5421573611.

The spelling of 8483949209 in words is "eight billion, four hundred eighty-three million, nine hundred forty-nine thousand, two hundred nine".