4449020929 has 4 divisors (see below), whose sum is σ = 4552486576. Its totient is φ = 4345555284.

The previous prime is 4449020861. The next prime is 4449020969. The reversal of 4449020929 is 9290209444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4449020929 - 2²¹ = 4446923777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 103465603 = 4449020929 / (4 + 4 + 4 + 9 + 0 + 2 + 0 + 9 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449020969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51732759 + ... + 51732844.

It is an arithmetic number, because the mean of its divisors is an integer number (1138121644).

Almost surely, 2^4449020929 is an apocalyptic number.

It is an amenable number.

4449020929 is a deficient number, since it is larger than the sum of its proper divisors (103465647).

4449020929 is a wasteful number, since it uses less digits than its factorization.

4449020929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103465646.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 4449020929 is about 66700.9814695406. The cubic root of 4449020929 is about 1644.7055183729.

The spelling of 4449020929 in words is "four billion, four hundred forty-nine million, twenty thousand, nine hundred twenty-nine".