263133767641271 has 2 divisors, whose sum is σ = 263133767641272. Its totient is φ = 263133767641270.

The previous prime is 263133767641249. The next prime is 263133767641333. The reversal of 263133767641271 is 172146767331362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263133767641271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263133767641271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263133767641211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131566883820635 + 131566883820636.

It is an arithmetic number, because the mean of its divisors is an integer number (131566883820636).

Almost surely, 2^{263133767641271} is an apocalyptic number.

263133767641271 is a deficient number, since it is larger than the sum of its proper divisors (1).

263133767641271 is an equidigital number, since it uses as much as digits as its factorization.

263133767641271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32006016, while the sum is 59.

The spelling of 263133767641271 in words is "two hundred sixty-three trillion, one hundred thirty-three billion, seven hundred sixty-seven million, six hundred forty-one thousand, two hundred seventy-one".