6861964104 has 48 divisors (see below), whose sum is σ = 18643922700. Its totient is φ = 2280006144.

The previous prime is 6861964097. The next prime is 6861964147. The reversal of 6861964104 is 4014691686.

It can be written as a sum of positive squares in 2 ways, for example, as 4623728004 + 2238236100 = 67998^2 + 47310^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6861964104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129709 + ... + 174780.

Almost surely, 2^6861964104 is an apocalyptic number.

It is an amenable number.

6861964104 is an abundant number, since it is smaller than the sum of its proper divisors (11781958596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6861964104 is a wasteful number, since it uses less digits than its factorization.

6861964104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304814 (or 304807 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6861964104 is about 82836.9730494783. The cubic root of 6861964104 is about 1900.2736543975.

The spelling of 6861964104 in words is "six billion, eight hundred sixty-one million, nine hundred sixty-four thousand, one hundred four".