4421049777 has 6 divisors (see below), whose sum is σ = 6385960802. Its totient is φ = 2947366512.

The previous prime is 4421049761. The next prime is 4421049791. The reversal of 4421049777 is 7779401244.

4421049777 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4377013281 + 44036496 = 66159^2 + 6636^2 .

It is not a de Polignac number, because 4421049777 - 2⁴ = 4421049761 is a prime.

It is a super-2 number, since 2×4421049777² = 39091362261423499458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421049757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245613868 + ... + 245613885.

Almost surely, 2^4421049777 is an apocalyptic number.

It is an amenable number.

4421049777 is a deficient number, since it is larger than the sum of its proper divisors (1964911025).

4421049777 is a wasteful number, since it uses less digits than its factorization.

4421049777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491227759 (or 491227756 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 4421049777 is about 66490.9751545276. The cubic root of 4421049777 is about 1641.2514957777.

The spelling of 4421049777 in words is "four billion, four hundred twenty-one million, forty-nine thousand, seven hundred seventy-seven".