6861343020386 has 4 divisors (see below), whose sum is σ = 10292014530582. Its totient is φ = 3430671510192.

The previous prime is 6861343020373. The next prime is 6861343020391. The reversal of 6861343020386 is 6830203431686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3993078996361 + 2868264024025 = 1998269^2 + 1693595^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715335755095 + ... + 1715335755098.

Almost surely, 2^{6861343020386} is an apocalyptic number.

6861343020386 is a deficient number, since it is larger than the sum of its proper divisors (3430671510196).

6861343020386 is a wasteful number, since it uses less digits than its factorization.

6861343020386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430671510195.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 6861343020386 in words is "six trillion, eight hundred sixty-one billion, three hundred forty-three million, twenty thousand, three hundred eighty-six".