2067011621837 has 2 divisors, whose sum is σ = 2067011621838. Its totient is φ = 2067011621836.

The previous prime is 2067011621833. The next prime is 2067011621839. The reversal of 2067011621837 is 7381261107602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1402189907881 + 664821713956 = 1184141^2 + 815366^2 .

It is a cyclic number.

It is not a de Polignac number, because 2067011621837 - 2² = 2067011621833 is a prime.

Together with 2067011621839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2067011621833) 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 as a sum of consecutive naturals, namely, 1033505810918 + 1033505810919.

It is an arithmetic number, because the mean of its divisors is an integer number (1033505810919).

Almost surely, 2^{2067011621837} is an apocalyptic number.

It is an amenable number.

2067011621837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2067011621837 is an equidigital number, since it uses as much as digits as its factorization.

2067011621837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 2067011621837 in words is "two trillion, sixty-seven billion, eleven million, six hundred twenty-one thousand, eight hundred thirty-seven".