1282573260649 has 8 divisors (see below), whose sum is σ = 1288788810848. Its totient is φ = 1276359003360.

The previous prime is 1282573260641. The next prime is 1282573260673. The reversal of 1282573260649 is 9460623752821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1282573260649 - 2³ = 1282573260641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1282573260649.

It is not an unprimeable number, because it can be changed into a prime (1282573260641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696069 + ... + 2332765.

It is an arithmetic number, because the mean of its divisors is an integer number (161098601356).

It is a 1-persistent number, because it is pandigital, but 2⋅1282573260649 = 2565146521298 is not.

Almost surely, 2^{1282573260649} is an apocalyptic number.

It is an amenable number.

1282573260649 is a deficient number, since it is larger than the sum of its proper divisors (6215550199).

1282573260649 is an equidigital number, since it uses as much as digits as its factorization.

1282573260649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646455.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1282573260649 in words is "one trillion, two hundred eighty-two billion, five hundred seventy-three million, two hundred sixty thousand, six hundred forty-nine".