1283976442463 has 16 divisors (see below), whose sum is σ = 1508499718656. Its totient is φ = 1077425699040.

The previous prime is 1283976442453. The next prime is 1283976442471. The reversal of 1283976442463 is 3642446793821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283976442463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283976442453) 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, 4509806 + ... + 4786052.

It is an arithmetic number, because the mean of its divisors is an integer number (94281232416).

Almost surely, 2^{1283976442463} is an apocalyptic number.

1283976442463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1283976442463 is a deficient number, since it is larger than the sum of its proper divisors (224523276193).

1283976442463 is a wasteful number, since it uses less digits than its factorization.

1283976442463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308774.

The product of its digits is 41803776, while the sum is 59.

The spelling of 1283976442463 in words is "one trillion, two hundred eighty-three billion, nine hundred seventy-six million, four hundred forty-two thousand, four hundred sixty-three".