1956678190713 has 40 divisors (see below), whose sum is σ = 2959229468448. Its totient is φ = 1288338016896.

The previous prime is 1956678190679. The next prime is 1956678190723. The reversal of 1956678190713 is 3170918766591.

It is not a de Polignac number, because 1956678190713 - 2¹⁰ = 1956678189689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1956678190723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2212606 + ... + 2967992.

Almost surely, 2^{1956678190713} is an apocalyptic number.

It is an amenable number.

1956678190713 is a deficient number, since it is larger than the sum of its proper divisors (1002551277735).

1956678190713 is a wasteful number, since it uses less digits than its factorization.

1956678190713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755795 (or 755786 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 1956678190713 in words is "one trillion, nine hundred fifty-six billion, six hundred seventy-eight million, one hundred ninety thousand, seven hundred thirteen".