681828411 has 16 divisors (see below), whose sum is σ = 1010465280. Its totient is φ = 405431520.

The previous prime is 681828409. The next prime is 681828431. The reversal of 681828411 is 114828186.

It is not a de Polignac number, because 681828411 - 2¹ = 681828409 is a prime.

It is a super-3 number, since 3×681828411³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 681828411.

It is not an unprimeable number, because it can be changed into a prime (681828431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193171 + ... + 196668.

It is an arithmetic number, because the mean of its divisors is an integer number (63154080).

Almost surely, 2^681828411 is an apocalyptic number.

681828411 is a deficient number, since it is larger than the sum of its proper divisors (328636869).

681828411 is a wasteful number, since it uses less digits than its factorization.

681828411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389906.

The product of its digits is 24576, while the sum is 39.

The square root of 681828411 is about 26111.8442665393. The cubic root of 681828411 is about 880.1533870883.

The spelling of 681828411 in words is "six hundred eighty-one million, eight hundred twenty-eight thousand, four hundred eleven".