2067711920817 has 4 divisors (see below), whose sum is σ = 2756949227760. Its totient is φ = 1378474613876.

The previous prime is 2067711920789. The next prime is 2067711920821. The reversal of 2067711920817 is 7180291177602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2067711920817 - 2¹⁹ = 2067711396529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2067711920817.

It is not an unprimeable number, because it can be changed into a prime (2067711920837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344618653467 + ... + 344618653472.

It is an arithmetic number, because the mean of its divisors is an integer number (689237306940).

Almost surely, 2^{2067711920817} is an apocalyptic number.

It is an amenable number.

2067711920817 is a deficient number, since it is larger than the sum of its proper divisors (689237306943).

2067711920817 is an equidigital number, since it uses as much as digits as its factorization.

2067711920817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689237306942.

The product of its (nonzero) digits is 592704, while the sum is 51.

The spelling of 2067711920817 in words is "two trillion, sixty-seven billion, seven hundred eleven million, nine hundred twenty thousand, eight hundred seventeen".