6870071929861 has 64 divisors (see below), whose sum is σ = 8144683724800. Its totient is φ = 5791808655360.

The previous prime is 6870071929823. The next prime is 6870071929879. The reversal of 6870071929861 is 1689291700786.

It is not a de Polignac number, because 6870071929861 - 2⁷ = 6870071929733 is a prime.

It is a super-3 number, since 3×6870071929861³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6870071929793 and 6870071929802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6870071929891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4384218700 + ... + 4384220266.

It is an arithmetic number, because the mean of its divisors is an integer number (127260683200).

Almost surely, 2^{6870071929861} is an apocalyptic number.

It is an amenable number.

6870071929861 is a deficient number, since it is larger than the sum of its proper divisors (1274611794939).

6870071929861 is a wasteful number, since it uses less digits than its factorization.

6870071929861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 6870071929861 in words is "six trillion, eight hundred seventy billion, seventy-one million, nine hundred twenty-nine thousand, eight hundred sixty-one".