4420813149 has 12 divisors (see below), whose sum is σ = 6393641436. Its totient is φ = 2943506112.

The previous prime is 4420813123. The next prime is 4420813153. The reversal of 4420813149 is 9413180244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2722961124 + 1697852025 = 52182^2 + 41205^2 .

It is not a de Polignac number, because 4420813149 - 2¹³ = 4420804957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420813349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300984 + ... + 315329.

It is an arithmetic number, because the mean of its divisors is an integer number (532803453).

Almost surely, 2^4420813149 is an apocalyptic number.

It is an amenable number.

4420813149 is a deficient number, since it is larger than the sum of its proper divisors (1972828287).

4420813149 is a wasteful number, since it uses less digits than its factorization.

4420813149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617116 (or 617113 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 4420813149 is about 66489.1957313367. The cubic root of 4420813149 is about 1641.2222136684. Note that the first 4 decimals are identical.

The spelling of 4420813149 in words is "four billion, four hundred twenty million, eight hundred thirteen thousand, one hundred forty-nine".