681474411 has 16 divisors (see below), whose sum is σ = 1018530720. Its totient is φ = 450293760.

The previous prime is 681474403. The next prime is 681474413. The reversal of 681474411 is 114474186.

It is not a de Polignac number, because 681474411 - 2³ = 681474403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (681474413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108630 + ... + 114731.

It is an arithmetic number, because the mean of its divisors is an integer number (63658170).

Almost surely, 2^681474411 is an apocalyptic number.

681474411 is a deficient number, since it is larger than the sum of its proper divisors (337056309).

681474411 is a wasteful number, since it uses less digits than its factorization.

681474411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223483 (or 223477 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 681474411 is about 26105.0648533958. The cubic root of 681474411 is about 880.0010377915.

It can be divided in two parts, 6814 and 74411, that added together give a square (81225 = 285²).

The spelling of 681474411 in words is "six hundred eighty-one million, four hundred seventy-four thousand, four hundred eleven".