2646663214007 has 2 divisors, whose sum is σ = 2646663214008. Its totient is φ = 2646663214006.

The previous prime is 2646663214003. The next prime is 2646663214009. The reversal of 2646663214007 is 7004123666462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2646663214007 - 2² = 2646663214003 is a prime.

Together with 2646663214009, 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 (2646663214003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323331607003 + 1323331607004.

It is an arithmetic number, because the mean of its divisors is an integer number (1323331607004).

Almost surely, 2^{2646663214007} is an apocalyptic number.

2646663214007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646663214007 is an equidigital number, since it uses as much as digits as its factorization.

2646663214007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 2646663214007 in words is "two trillion, six hundred forty-six billion, six hundred sixty-three million, two hundred fourteen thousand, seven".