1283969517119 has 4 divisors (see below), whose sum is σ = 1284297315144. Its totient is φ = 1283641719096.

The previous prime is 1283969517029. The next prime is 1283969517121. The reversal of 1283969517119 is 9117159693821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1283969517119 - 2¹² = 1283969513023 is a prime.

It is a super-2 number, since 2×1283969517119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283969517139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163893137 + ... + 163900970.

It is an arithmetic number, because the mean of its divisors is an integer number (321074328786).

Almost surely, 2^{1283969517119} is an apocalyptic number.

1283969517119 is a deficient number, since it is larger than the sum of its proper divisors (327798025).

1283969517119 is an equidigital number, since it uses as much as digits as its factorization.

1283969517119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327798024.

The product of its digits is 7348320, while the sum is 62.

The spelling of 1283969517119 in words is "one trillion, two hundred eighty-three billion, nine hundred sixty-nine million, five hundred seventeen thousand, one hundred nineteen".