2072463121217 has 2 divisors, whose sum is σ = 2072463121218. Its totient is φ = 2072463121216.

The previous prime is 2072463121181. The next prime is 2072463121229. The reversal of 2072463121217 is 7121213642702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1542524256256 + 529938864961 = 1241984^2 + 727969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072463121217 is a prime.

It is a super-2 number, since 2×2072463121217² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2072463121237) 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, 1036231560608 + 1036231560609.

It is an arithmetic number, because the mean of its divisors is an integer number (1036231560609).

Almost surely, 2^{2072463121217} is an apocalyptic number.

It is an amenable number.

2072463121217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072463121217 is an equidigital number, since it uses as much as digits as its factorization.

2072463121217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 2072463121217 its reverse (7121213642702), we get a palindrome (9193676763919).

The spelling of 2072463121217 in words is "two trillion, seventy-two billion, four hundred sixty-three million, one hundred twenty-one thousand, two hundred seventeen".