4399490449477 has 2 divisors, whose sum is σ = 4399490449478. Its totient is φ = 4399490449476.

The previous prime is 4399490449457. The next prime is 4399490449517. The reversal of 4399490449477 is 7749440949934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3803744201761 + 595746247716 = 1950319^2 + 771846^2 .

It is a cyclic number.

It is not a de Polignac number, because 4399490449477 - 2¹⁹ = 4399489925189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4399490449457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2199745224738 + 2199745224739.

It is an arithmetic number, because the mean of its divisors is an integer number (2199745224739).

Almost surely, 2^{4399490449477} is an apocalyptic number.

It is an amenable number.

4399490449477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4399490449477 is an equidigital number, since it uses as much as digits as its factorization.

4399490449477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 987614208, while the sum is 73.

The spelling of 4399490449477 in words is "four trillion, three hundred ninety-nine billion, four hundred ninety million, four hundred forty-nine thousand, four hundred seventy-seven".