6861969970 has 16 divisors (see below), whose sum is σ = 12749983488. Its totient is φ = 2656246320.

The previous prime is 6861969931. The next prime is 6861969973. The reversal of 6861969970 is 799691686.

It is a junction number, because it is equal to n+sod(n) for n = 6861969899 and 6861969908.

It is not an unprimeable number, because it can be changed into a prime (6861969973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11067384 + ... + 11068003.

It is an arithmetic number, because the mean of its divisors is an integer number (796873968).

Almost surely, 2^6861969970 is an apocalyptic number.

6861969970 is a deficient number, since it is larger than the sum of its proper divisors (5888013518).

6861969970 is a wasteful number, since it uses less digits than its factorization.

6861969970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22135425.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The square root of 6861969970 is about 82837.0084563657. The cubic root of 6861969970 is about 1900.2741958850.

The spelling of 6861969970 in words is "six billion, eight hundred sixty-one million, nine hundred sixty-nine thousand, nine hundred seventy".