6854376121 has 2 divisors, whose sum is σ = 6854376122. Its totient is φ = 6854376120.

The previous prime is 6854376097. The next prime is 6854376131. The reversal of 6854376121 is 1216734586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6729741225 + 124634896 = 82035^2 + 11164^2 .

It is a cyclic number.

It is not a de Polignac number, because 6854376121 - 2¹¹ = 6854374073 is a prime.

It is not a weakly prime, because it can be changed into another prime (6854376131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427188060 + 3427188061.

It is an arithmetic number, because the mean of its divisors is an integer number (3427188061).

Almost surely, 2^6854376121 is an apocalyptic number.

It is an amenable number.

6854376121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6854376121 is an equidigital number, since it uses as much as digits as its factorization.

6854376121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 6854376121 is about 82791.1596790382. The cubic root of 6854376121 is about 1899.5729530539.

The spelling of 6854376121 in words is "six billion, eight hundred fifty-four million, three hundred seventy-six thousand, one hundred twenty-one".