1283834813816 has 16 divisors (see below), whose sum is σ = 2407203740400. Its totient is φ = 641913816384.

The previous prime is 1283834813761. The next prime is 1283834813837. The reversal of 1283834813816 is 6183184383821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645916 + ... + 2297108.

It is an arithmetic number, because the mean of its divisors is an integer number (150450233775).

Almost surely, 2^{1283834813816} is an apocalyptic number.

It is an amenable number.

1283834813816 is a deficient number, since it is larger than the sum of its proper divisors (1123368926584).

1283834813816 is a wasteful number, since it uses less digits than its factorization.

1283834813816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897638 (or 897634 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 56.

The spelling of 1283834813816 in words is "one trillion, two hundred eighty-three billion, eight hundred thirty-four million, eight hundred thirteen thousand, eight hundred sixteen".