1444231413 has 12 divisors (see below), whose sum is σ = 2208824748. Its totient is φ = 906184320.

The previous prime is 1444231409. The next prime is 1444231483. The reversal of 1444231413 is 3141324441.

1444231413 is a `hidden beast` number, since 14 + 4 + 4 + 231 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 638977284 + 805254129 = 25278^2 + 28377^2 .

It is not a de Polignac number, because 1444231413 - 2² = 1444231409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444231483) 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, 4719558 + ... + 4719863.

It is an arithmetic number, because the mean of its divisors is an integer number (184068729).

Almost surely, 2^1444231413 is an apocalyptic number.

It is an amenable number.

1444231413 is a deficient number, since it is larger than the sum of its proper divisors (764593335).

1444231413 is a wasteful number, since it uses less digits than its factorization.

1444231413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9439444 (or 9439441 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1444231413 is about 38003.0447859116. The cubic root of 1444231413 is about 1130.3482397080.

Adding to 1444231413 its reverse (3141324441), we get a palindrome (4585555854).

The spelling of 1444231413 in words is "one billion, four hundred forty-four million, two hundred thirty-one thousand, four hundred thirteen".