4449135394 has 24 divisors (see below), whose sum is σ = 7382344284. Its totient is φ = 2009436000.

The previous prime is 4449135391. The next prime is 4449135413. The reversal of 4449135394 is 4935319444.

It can be written as a sum of positive squares in 2 ways, for example, as 3907875169 + 541260225 = 62513^2 + 23265^2 .

It is not an unprimeable number, because it can be changed into a prime (4449135391) 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, 20557 + ... + 96544.

Almost surely, 2^4449135394 is an apocalyptic number.

4449135394 is a deficient number, since it is larger than the sum of its proper divisors (2933208890).

4449135394 is a wasteful number, since it uses less digits than its factorization.

4449135394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117282 (or 117271 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 4449135394 is about 66701.8395098666. The cubic root of 4449135394 is about 1644.7196233191.

The spelling of 4449135394 in words is "four billion, four hundred forty-nine million, one hundred thirty-five thousand, three hundred ninety-four".