4449890077 has 2 divisors, whose sum is σ = 4449890078. Its totient is φ = 4449890076.

The previous prime is 4449889993. The next prime is 4449890087. The reversal of 4449890077 is 7700989444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3128276761 + 1321613316 = 55931^2 + 36354^2 .

It is a cyclic number.

It is not a de Polignac number, because 4449890077 - 2¹⁵ = 4449857309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4449890087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2224945038 + 2224945039.

It is an arithmetic number, because the mean of its divisors is an integer number (2224945039).

Almost surely, 2^4449890077 is an apocalyptic number.

It is an amenable number.

4449890077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4449890077 is an equidigital number, since it uses as much as digits as its factorization.

4449890077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 4449890077 is about 66707.4964078251. The cubic root of 4449890077 is about 1644.8126130542.

The spelling of 4449890077 in words is "four billion, four hundred forty-nine million, eight hundred ninety thousand, seventy-seven".