2550449147 has 2 divisors, whose sum is σ = 2550449148. Its totient is φ = 2550449146.

The previous prime is 2550449137. The next prime is 2550449171. The reversal of 2550449147 is 7419440552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2550449147 - 2⁴ = 2550449131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2550449137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275224573 + 1275224574.

It is an arithmetic number, because the mean of its divisors is an integer number (1275224574).

Almost surely, 2^2550449147 is an apocalyptic number.

2550449147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550449147 is an equidigital number, since it uses as much as digits as its factorization.

2550449147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 2550449147 is about 50501.9717139836. The cubic root of 2550449147 is about 1366.2774155445.

Adding to 2550449147 its reverse (7419440552), we get a palindrome (9969889699).

The spelling of 2550449147 in words is "two billion, five hundred fifty million, four hundred forty-nine thousand, one hundred forty-seven".