10676784921 has 32 divisors (see below), whose sum is σ = 15818320896. Its totient is φ = 6351048000.

The previous prime is 10676784917. The next prime is 10676784947. The reversal of 10676784921 is 12948767601.

It is not a de Polignac number, because 10676784921 - 2² = 10676784917 is a prime.

It is a super-2 number, since 2×10676784921² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10676784901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974886 + ... + 985776.

It is an arithmetic number, because the mean of its divisors is an integer number (494322528).

Almost surely, 2^10676784921 is an apocalyptic number.

10676784921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10676784921 is a deficient number, since it is larger than the sum of its proper divisors (5141535975).

10676784921 is a wasteful number, since it uses less digits than its factorization.

10676784921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11453.

The product of its (nonzero) digits is 1016064, while the sum is 51.

It can be divided in two parts, 10676 and 784921, that added together give a palindrome (795597).

The spelling of 10676784921 in words is "ten billion, six hundred seventy-six million, seven hundred eighty-four thousand, nine hundred twenty-one".