2686471870456 has 32 divisors (see below), whose sum is σ = 5522949820080. Its totient is φ = 1214924972800.

The previous prime is 2686471870451. The next prime is 2686471870463. The reversal of 2686471870456 is 6540781746862.

It is a super-2 number, since 2×2686471870456² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686471870451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77465125 + ... + 77499796.

Almost surely, 2^{2686471870456} is an apocalyptic number.

It is an amenable number.

2686471870456 is an abundant number, since it is smaller than the sum of its proper divisors (2836477949624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686471870456 is a wasteful number, since it uses less digits than its factorization.

2686471870456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154965135 (or 154965131 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 2686471870456 in words is "two trillion, six hundred eighty-six billion, four hundred seventy-one million, eight hundred seventy thousand, four hundred fifty-six".