8870199449 has 2 divisors, whose sum is σ = 8870199450. Its totient is φ = 8870199448.

The previous prime is 8870199319. The next prime is 8870199461. The reversal of 8870199449 is 9449910788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7773596224 + 1096603225 = 88168^2 + 33115^2 .

It is a cyclic number.

It is not a de Polignac number, because 8870199449 - 2²⁴ = 8853422233 is a prime.

It is not a weakly prime, because it can be changed into another prime (8870195449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4435099724 + 4435099725.

It is an arithmetic number, because the mean of its divisors is an integer number (4435099725).

Almost surely, 2^8870199449 is an apocalyptic number.

It is an amenable number.

8870199449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8870199449 is an equidigital number, since it uses as much as digits as its factorization.

8870199449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The square root of 8870199449 is about 94181.7362815105. The cubic root of 8870199449 is about 2070.0355077264.

The spelling of 8870199449 in words is "eight billion, eight hundred seventy million, one hundred ninety-nine thousand, four hundred forty-nine".