4434444149 has 4 divisors (see below), whose sum is σ = 4459217760. Its totient is φ = 4409670540.

The previous prime is 4434444127. The next prime is 4434444163. The reversal of 4434444149 is 9414444344.

It is a happy number.

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 4434444149 - 2¹² = 4434440053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4434444449) 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, 12386537 + ... + 12386894.

It is an arithmetic number, because the mean of its divisors is an integer number (1114804440).

Almost surely, 2^4434444149 is an apocalyptic number.

It is an amenable number.

4434444149 is a deficient number, since it is larger than the sum of its proper divisors (24773611).

4434444149 is a wasteful number, since it uses less digits than its factorization.

4434444149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24773610.

The product of its digits is 442368, while the sum is 41.

The square root of 4434444149 is about 66591.6222133085. The cubic root of 4434444149 is about 1642.9073143763.

The spelling of 4434444149 in words is "four billion, four hundred thirty-four million, four hundred forty-four thousand, one hundred forty-nine".