6825961031979 has 4 divisors (see below), whose sum is σ = 9101281375976. Its totient is φ = 4550640687984.

The previous prime is 6825961031977. The next prime is 6825961032029. The reversal of 6825961031979 is 9791301695286.

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

It is not a de Polignac number, because 6825961031979 - 2¹ = 6825961031977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6825961031977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137660171994 + ... + 1137660171999.

It is an arithmetic number, because the mean of its divisors is an integer number (2275320343994).

Almost surely, 2^{6825961031979} is an apocalyptic number.

6825961031979 is a deficient number, since it is larger than the sum of its proper divisors (2275320343997).

6825961031979 is a wasteful number, since it uses less digits than its factorization.

6825961031979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275320343996.

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 6825961031979 in words is "six trillion, eight hundred twenty-five billion, nine hundred sixty-one million, thirty-one thousand, nine hundred seventy-nine".