1282053267643 has 16 divisors (see below), whose sum is σ = 1336566274560. Its totient is φ = 1228259894400.

The previous prime is 1282053267629. The next prime is 1282053267661. The reversal of 1282053267643 is 3467623502821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1282053267643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1282053267743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907473 + ... + 2490493.

It is an arithmetic number, because the mean of its divisors is an integer number (83535392160).

Almost surely, 2^{1282053267643} is an apocalyptic number.

1282053267643 is a deficient number, since it is larger than the sum of its proper divisors (54513006917).

1282053267643 is a wasteful number, since it uses less digits than its factorization.

1282053267643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583638.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 1282053267643 in words is "one trillion, two hundred eighty-two billion, fifty-three million, two hundred sixty-seven thousand, six hundred forty-three".