6864968427437 has 4 divisors (see below), whose sum is σ = 6873454174140. Its totient is φ = 6856482680736.

The previous prime is 6864968427433. The next prime is 6864968427439. The reversal of 6864968427437 is 7347248694686.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3525190247401 + 3339778180036 = 1877549^2 + 1827506^2 .

It is a cyclic number.

It is not a de Polignac number, because 6864968427437 - 2² = 6864968427433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864968427433) 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 3 ways as a sum of consecutive naturals, for example, 4242872138 + ... + 4242873755.

It is an arithmetic number, because the mean of its divisors is an integer number (1718363543535).

Almost surely, 2^{6864968427437} is an apocalyptic number.

It is an amenable number.

6864968427437 is a deficient number, since it is larger than the sum of its proper divisors (8485746703).

6864968427437 is an equidigital number, since it uses as much as digits as its factorization.

6864968427437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485746702.

The product of its digits is 2341011456, while the sum is 74.

The spelling of 6864968427437 in words is "six trillion, eight hundred sixty-four billion, nine hundred sixty-eight million, four hundred twenty-seven thousand, four hundred thirty-seven".