1286740534089 has 16 divisors (see below), whose sum is σ = 1723117933440. Its totient is φ = 854102538240.

The previous prime is 1286740534063. The next prime is 1286740534097. The reversal of 1286740534089 is 9804350476821.

It is a happy number.

It is not a de Polignac number, because 1286740534089 - 2⁸ = 1286740533833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1286740539089) 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, 241582 + ... + 1622295.

It is an arithmetic number, because the mean of its divisors is an integer number (107694870840).

It is a 1-persistent number, because it is pandigital, but 2⋅1286740534089 = 2573481068178 is not.

Almost surely, 2^{1286740534089} is an apocalyptic number.

It is an amenable number.

1286740534089 is a deficient number, since it is larger than the sum of its proper divisors (436377399351).

1286740534089 is a wasteful number, since it uses less digits than its factorization.

1286740534089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864880.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 1286740534089 in words is "one trillion, two hundred eighty-six billion, seven hundred forty million, five hundred thirty-four thousand, eighty-nine".