2664266220047 has 2 divisors, whose sum is σ = 2664266220048. Its totient is φ = 2664266220046.

The previous prime is 2664266219999. The next prime is 2664266220059. The reversal of 2664266220047 is 7400226624662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2664266220047 - 2⁶ = 2664266219983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2664266219983 and 2664266220010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664266220247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332133110023 + 1332133110024.

It is an arithmetic number, because the mean of its divisors is an integer number (1332133110024).

Almost surely, 2^{2664266220047} is an apocalyptic number.

2664266220047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664266220047 is an equidigital number, since it uses as much as digits as its factorization.

2664266220047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 2664266220047 in words is "two trillion, six hundred sixty-four billion, two hundred sixty-six million, two hundred twenty thousand, forty-seven".