6942040621211 has 2 divisors, whose sum is σ = 6942040621212. Its totient is φ = 6942040621210.

The previous prime is 6942040621183. The next prime is 6942040621213. The reversal of 6942040621211 is 1121260402496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6942040621211 - 2¹⁴ = 6942040604827 is a prime.

Together with 6942040621213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6942040621213) 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 as a sum of consecutive naturals, namely, 3471020310605 + 3471020310606.

It is an arithmetic number, because the mean of its divisors is an integer number (3471020310606).

Almost surely, 2^{6942040621211} is an apocalyptic number.

6942040621211 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942040621211 is an equidigital number, since it uses as much as digits as its factorization.

6942040621211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 6942040621211 in words is "six trillion, nine hundred forty-two billion, forty million, six hundred twenty-one thousand, two hundred eleven".