13263766736431 has 2 divisors, whose sum is σ = 13263766736432. Its totient is φ = 13263766736430.

The previous prime is 13263766736411. The next prime is 13263766736453. The reversal of 13263766736431 is 13463766736231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13263766736431 - 2¹⁷ = 13263766605359 is a prime.

It is a super-2 number, since 2×13263766736431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13263766736401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6631883368215 + 6631883368216.

It is an arithmetic number, because the mean of its divisors is an integer number (6631883368216).

Almost surely, 2^{13263766736431} is an apocalyptic number.

13263766736431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13263766736431 is an equidigital number, since it uses as much as digits as its factorization.

13263766736431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 58.

The spelling of 13263766736431 in words is "thirteen trillion, two hundred sixty-three billion, seven hundred sixty-six million, seven hundred thirty-six thousand, four hundred thirty-one".