10684686487 has 4 divisors (see below), whose sum is σ = 10684982376. Its totient is φ = 10684390600.

The previous prime is 10684686457. The next prime is 10684686503. The reversal of 10684686487 is 78468648601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10684686487 is a prime.

It is a super-2 number, since 2×10684686487² (a number of 21 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 (10684686457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84793 + ... + 168994.

It is an arithmetic number, because the mean of its divisors is an integer number (2671245594).

Almost surely, 2^10684686487 is an apocalyptic number.

10684686487 is a deficient number, since it is larger than the sum of its proper divisors (295889).

10684686487 is an equidigital number, since it uses as much as digits as its factorization.

10684686487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295888.

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 10684686487 in words is "ten billion, six hundred eighty-four million, six hundred eighty-six thousand, four hundred eighty-seven".