2550449171 has 2 divisors, whose sum is σ = 2550449172. Its totient is φ = 2550449170.

The previous prime is 2550449147. The next prime is 2550449197. The reversal of 2550449171 is 1719440552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550449171 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2550449131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275224585 + 1275224586.

It is an arithmetic number, because the mean of its divisors is an integer number (1275224586).

Almost surely, 2^2550449171 is an apocalyptic number.

2550449171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550449171 is an equidigital number, since it uses as much as digits as its factorization.

2550449171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 2550449171 is about 50501.9719515981. The cubic root of 2550449171 is about 1366.2774198301.

The spelling of 2550449171 in words is "two billion, five hundred fifty million, four hundred forty-nine thousand, one hundred seventy-one".