1444332023413 has 4 divisors (see below), whose sum is σ = 1445357100780. Its totient is φ = 1443306946048.

The previous prime is 1444332023317. The next prime is 1444332023419. The reversal of 1444332023413 is 3143202334441.

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 9036973969 + 1435295049444 = 95063^2 + 1198038^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444332023413 - 2⁹ = 1444332022901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444332023419) 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, 512536570 + ... + 512539387.

It is an arithmetic number, because the mean of its divisors is an integer number (361339275195).

Almost surely, 2^{1444332023413} is an apocalyptic number.

It is an amenable number.

1444332023413 is a deficient number, since it is larger than the sum of its proper divisors (1025077367).

1444332023413 is a wasteful number, since it uses less digits than its factorization.

1444332023413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025077366.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 1444332023413 its reverse (3143202334441), we get a palindrome (4587534357854).

The spelling of 1444332023413 in words is "one trillion, four hundred forty-four billion, three hundred thirty-two million, twenty-three thousand, four hundred thirteen".