1443001428569 has 2 divisors, whose sum is σ = 1443001428570. Its totient is φ = 1443001428568.

The previous prime is 1443001428553. The next prime is 1443001428577. The reversal of 1443001428569 is 9658241003441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239185296969 + 203816131600 = 1113187^2 + 451460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443001428569 - 2⁴ = 1443001428553 is a prime.

It is a super-2 number, since 2×1443001428569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1443001428509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721500714284 + 721500714285.

It is an arithmetic number, because the mean of its divisors is an integer number (721500714285).

Almost surely, 2^{1443001428569} is an apocalyptic number.

It is an amenable number.

1443001428569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443001428569 is an equidigital number, since it uses as much as digits as its factorization.

1443001428569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 1443001428569 in words is "one trillion, four hundred forty-three billion, one million, four hundred twenty-eight thousand, five hundred sixty-nine".