1445704883969 has 2 divisors, whose sum is σ = 1445704883970. Its totient is φ = 1445704883968.

The previous prime is 1445704883963. The next prime is 1445704883993. The reversal of 1445704883969 is 9693884075441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439311282369 + 6393601600 = 1199713^2 + 79960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445704883969 - 2¹² = 1445704879873 is a prime.

It is a super-2 number, since 2×1445704883969² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1445704883899 and 1445704883908.

It is not a weakly prime, because it can be changed into another prime (1445704883963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722852441984 + 722852441985.

It is an arithmetic number, because the mean of its divisors is an integer number (722852441985).

Almost surely, 2^{1445704883969} is an apocalyptic number.

It is an amenable number.

1445704883969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445704883969 is an equidigital number, since it uses as much as digits as its factorization.

1445704883969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 1445704883969 in words is "one trillion, four hundred forty-five billion, seven hundred four million, eight hundred eighty-three thousand, nine hundred sixty-nine".