2664312363247 has 2 divisors, whose sum is σ = 2664312363248. Its totient is φ = 2664312363246.

The previous prime is 2664312363233. The next prime is 2664312363281. The reversal of 2664312363247 is 7423632134662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2664312363247 - 2¹¹ = 2664312361199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2664312363247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664312363547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332156181623 + 1332156181624.

It is an arithmetic number, because the mean of its divisors is an integer number (1332156181624).

Almost surely, 2^{2664312363247} is an apocalyptic number.

2664312363247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664312363247 is an equidigital number, since it uses as much as digits as its factorization.

2664312363247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 49.

The spelling of 2664312363247 in words is "two trillion, six hundred sixty-four billion, three hundred twelve million, three hundred sixty-three thousand, two hundred forty-seven".