4397249441 has 4 divisors (see below), whose sum is σ = 4735499412. Its totient is φ = 4058999472.

The previous prime is 4397249399. The next prime is 4397249459. The reversal of 4397249441 is 1449427934.

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 1271992225 + 3125257216 = 35665^2 + 55904^2 .

It is a cyclic number.

It is not a de Polignac number, because 4397249441 - 2²² = 4393055137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4397249041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169124966 + ... + 169124991.

It is an arithmetic number, because the mean of its divisors is an integer number (1183874853).

Almost surely, 2^4397249441 is an apocalyptic number.

It is an amenable number.

4397249441 is a deficient number, since it is larger than the sum of its proper divisors (338249971).

4397249441 is a wasteful number, since it uses less digits than its factorization.

4397249441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338249970.

The product of its digits is 870912, while the sum is 47.

The square root of 4397249441 is about 66311.7594473258. The cubic root of 4397249441 is about 1638.3010167692.

The spelling of 4397249441 in words is "four billion, three hundred ninety-seven million, two hundred forty-nine thousand, four hundred forty-one".