1444313113 has 2 divisors, whose sum is σ = 1444313114. Its totient is φ = 1444313112.

The previous prime is 1444313099. The next prime is 1444313119. The reversal of 1444313113 is 3113134441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131447769 + 312865344 = 33637^2 + 17688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444313113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1444313119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722156556 + 722156557.

It is an arithmetic number, because the mean of its divisors is an integer number (722156557).

Almost surely, 2^1444313113 is an apocalyptic number.

It is an amenable number.

1444313113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444313113 is an equidigital number, since it uses as much as digits as its factorization.

1444313113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1444313113 is about 38004.1196845816. The cubic root of 1444313113 is about 1130.3695538614.

Adding to 1444313113 its reverse (3113134441), we get a palindrome (4557447554).

It can be divided in two parts, 14443 and 13113, that added together give a square (27556 = 166²).

The spelling of 1444313113 in words is "one billion, four hundred forty-four million, three hundred thirteen thousand, one hundred thirteen".