2116646629793 has 2 divisors, whose sum is σ = 2116646629794. Its totient is φ = 2116646629792.

The previous prime is 2116646629789. The next prime is 2116646629807. The reversal of 2116646629793 is 3979266466112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1065504966289 + 1051141663504 = 1032233^2 + 1025252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116646629793 - 2² = 2116646629789 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116646629763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058323314896 + 1058323314897.

It is an arithmetic number, because the mean of its divisors is an integer number (1058323314897).

Almost surely, 2^{2116646629793} is an apocalyptic number.

It is an amenable number.

2116646629793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116646629793 is an equidigital number, since it uses as much as digits as its factorization.

2116646629793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 62.

The spelling of 2116646629793 in words is "two trillion, one hundred sixteen billion, six hundred forty-six million, six hundred twenty-nine thousand, seven hundred ninety-three".