1008173449 has 2 divisors, whose sum is σ = 1008173450. Its totient is φ = 1008173448.

The previous prime is 1008173437. The next prime is 1008173483. The reversal of 1008173449 is 9443718001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000583424 + 7590025 = 31632^2 + 2755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1008173449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1008173549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504086724 + 504086725.

It is an arithmetic number, because the mean of its divisors is an integer number (504086725).

Almost surely, 2^1008173449 is an apocalyptic number.

It is an amenable number.

1008173449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008173449 is an equidigital number, since it uses as much as digits as its factorization.

1008173449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1008173449 is about 31751.7471802734. The cubic root of 1008173449 is about 1002.7170937153.

The spelling of 1008173449 in words is "one billion, eight million, one hundred seventy-three thousand, four hundred forty-nine".