1444359223397 has 2 divisors, whose sum is σ = 1444359223398. Its totient is φ = 1444359223396.

The previous prime is 1444359223337. The next prime is 1444359223487. The reversal of 1444359223397 is 7933229534441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435278276961 + 9080946436 = 1198031^2 + 95294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444359223397 - 2¹⁶ = 1444359157861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444359223327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722179611698 + 722179611699.

It is an arithmetic number, because the mean of its divisors is an integer number (722179611699).

Almost surely, 2^{1444359223397} is an apocalyptic number.

It is an amenable number.

1444359223397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444359223397 is an equidigital number, since it uses as much as digits as its factorization.

1444359223397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 56.

The spelling of 1444359223397 in words is "one trillion, four hundred forty-four billion, three hundred fifty-nine million, two hundred twenty-three thousand, three hundred ninety-seven".