4449319697 has 4 divisors (see below), whose sum is σ = 4453730340. Its totient is φ = 4444909056.

The previous prime is 4449319669. The next prime is 4449319739. The reversal of 4449319697 is 7969139444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2691949456 + 1757370241 = 51884^2 + 41921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4449319697 is a prime.

It is a super-2 number, since 2×4449319697² = 39592891532224343618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4449319627) 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, 2203808 + ... + 2205825.

It is an arithmetic number, because the mean of its divisors is an integer number (1113432585).

Almost surely, 2^4449319697 is an apocalyptic number.

It is an amenable number.

4449319697 is a deficient number, since it is larger than the sum of its proper divisors (4410643).

4449319697 is a wasteful number, since it uses less digits than its factorization.

4449319697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410642.

The product of its digits is 5878656, while the sum is 56.

The square root of 4449319697 is about 66703.2210391672. The cubic root of 4449319697 is about 1644.7423335424.

The spelling of 4449319697 in words is "four billion, four hundred forty-nine million, three hundred nineteen thousand, six hundred ninety-seven".