2054554049 has 2 divisors, whose sum is σ = 2054554050. Its totient is φ = 2054554048.

The previous prime is 2054554043. The next prime is 2054554087. The reversal of 2054554049 is 9404554502.

It is a happy number.

It is an a-pointer prime, because the next prime (2054554087) can be obtained adding 2054554049 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022121024 + 32433025 = 44968^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054554049 - 2¹² = 2054549953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2054554043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027277024 + 1027277025.

It is an arithmetic number, because the mean of its divisors is an integer number (1027277025).

Almost surely, 2^2054554049 is an apocalyptic number.

It is an amenable number.

2054554049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054554049 is an equidigital number, since it uses as much as digits as its factorization.

2054554049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 2054554049 is about 45327.1888495194. The cubic root of 2054554049 is about 1271.2740740887.

The spelling of 2054554049 in words is "two billion, fifty-four million, five hundred fifty-four thousand, forty-nine".