1481966289697 has 2 divisors, whose sum is σ = 1481966289698. Its totient is φ = 1481966289696.

The previous prime is 1481966289623. The next prime is 1481966289709. The reversal of 1481966289697 is 7969826691841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1091490025536 + 390476264161 = 1044744^2 + 624881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481966289697 - 2⁷ = 1481966289569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1481966289607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740983144848 + 740983144849.

It is an arithmetic number, because the mean of its divisors is an integer number (740983144849).

Almost surely, 2^{1481966289697} is an apocalyptic number.

It is an amenable number.

1481966289697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481966289697 is an equidigital number, since it uses as much as digits as its factorization.

1481966289697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564350976, while the sum is 76.

The spelling of 1481966289697 in words is "one trillion, four hundred eighty-one billion, nine hundred sixty-six million, two hundred eighty-nine thousand, six hundred ninety-seven".