6975338579081 has 2 divisors, whose sum is σ = 6975338579082. Its totient is φ = 6975338579080.

The previous prime is 6975338579023. The next prime is 6975338579087. The reversal of 6975338579081 is 1809758335796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3716894805625 + 3258443773456 = 1927925^2 + 1805116^2 .

It is a cyclic number.

It is not a de Polignac number, because 6975338579081 - 2⁶ = 6975338579017 is a prime.

It is a super-2 number, since 2×6975338579081² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6975338578996 and 6975338579014.

It is not a weakly prime, because it can be changed into another prime (6975338579087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3487669289540 + 3487669289541.

It is an arithmetic number, because the mean of its divisors is an integer number (3487669289541).

Almost surely, 2^{6975338579081} is an apocalyptic number.

It is an amenable number.

6975338579081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6975338579081 is an equidigital number, since it uses as much as digits as its factorization.

6975338579081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 6975338579081 in words is "six trillion, nine hundred seventy-five billion, three hundred thirty-eight million, five hundred seventy-nine thousand, eighty-one".