6876645361709 has 4 divisors (see below), whose sum is σ = 6877031946780. Its totient is φ = 6876258776640.

The previous prime is 6876645361589. The next prime is 6876645361753. The reversal of 6876645361709 is 9071635466786.

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 5796754446025 + 1079890915684 = 2407645^2 + 1039178^2 .

It is a cyclic number.

It is not a de Polignac number, because 6876645361709 - 2¹⁶ = 6876645296173 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 (6876645361759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193265852 + ... + 193301429.

It is an arithmetic number, because the mean of its divisors is an integer number (1719257986695).

Almost surely, 2^{6876645361709} is an apocalyptic number.

It is an amenable number.

6876645361709 is a deficient number, since it is larger than the sum of its proper divisors (386585071).

6876645361709 is a wasteful number, since it uses less digits than its factorization.

6876645361709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386585070.

The product of its (nonzero) digits is 274337280, while the sum is 68.

The spelling of 6876645361709 in words is "six trillion, eight hundred seventy-six billion, six hundred forty-five million, three hundred sixty-one thousand, seven hundred nine".