4468491309 has 16 divisors (see below), whose sum is σ = 6005197440. Its totient is φ = 2955476160.

The previous prime is 4468491289. The next prime is 4468491331. The reversal of 4468491309 is 9031948644.

It is a happy number.

4468491309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4468491309 - 2⁹ = 4468490797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4468496309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201639 + ... + 222699.

It is an arithmetic number, because the mean of its divisors is an integer number (375324840).

Almost surely, 2^4468491309 is an apocalyptic number.

It is an amenable number.

4468491309 is a deficient number, since it is larger than the sum of its proper divisors (1536706131).

4468491309 is a wasteful number, since it uses less digits than its factorization.

4468491309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 4468491309 is about 66846.7748586272. The cubic root of 4468491309 is about 1647.1012844475.

The spelling of 4468491309 in words is "four billion, four hundred sixty-eight million, four hundred ninety-one thousand, three hundred nine".