4429446749 has 32 divisors (see below), whose sum is σ = 5779716096. Its totient is φ = 3299823360.

The previous prime is 4429446667. The next prime is 4429446761. The reversal of 4429446749 is 9476449244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4429446749 - 2²⁸ = 4161011293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4429446749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4429446779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83159 + ... + 125595.

It is an arithmetic number, because the mean of its divisors is an integer number (180616128).

Almost surely, 2^4429446749 is an apocalyptic number.

It is an amenable number.

4429446749 is a deficient number, since it is larger than the sum of its proper divisors (1350269347).

4429446749 is a wasteful number, since it uses less digits than its factorization.

4429446749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42525.

The product of its digits is 6967296, while the sum is 53.

The square root of 4429446749 is about 66554.0888976778. The cubic root of 4429446749 is about 1642.2899238717.

The spelling of 4429446749 in words is "four billion, four hundred twenty-nine million, four hundred forty-six thousand, seven hundred forty-nine".