3256684866523 has 48 divisors (see below), whose sum is σ = 3783186727936. Its totient is φ = 2796920280000.

The previous prime is 3256684866511. The next prime is 3256684866557.

3256684866523 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-3256684866523 is a prime.

It is a super-2 number, since 2×3256684866523² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3256681866523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358227208 + ... + 358236298.

Almost surely, 2^{3256684866523} is an apocalyptic number.

3256684866523 is a deficient number, since it is larger than the sum of its proper divisors (526501861413).

3256684866523 is a wasteful number, since it uses less digits than its factorization.

3256684866523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408 (or 11397 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 64.

The spelling of 3256684866523 in words is "three trillion, two hundred fifty-six billion, six hundred eighty-four million, eight hundred sixty-six thousand, five hundred twenty-three".