13888340787463 has 2 divisors, whose sum is σ = 13888340787464. Its totient is φ = 13888340787462.

The previous prime is 13888340787437. The next prime is 13888340787491. The reversal of 13888340787463 is 36478704388831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13888340787463 - 2²¹ = 13888338690311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13888340787392 and 13888340787401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13888340787163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944170393731 + 6944170393732.

It is an arithmetic number, because the mean of its divisors is an integer number (6944170393732).

Almost surely, 2^{13888340787463} is an apocalyptic number.

13888340787463 is a deficient number, since it is larger than the sum of its proper divisors (1).

13888340787463 is an equidigital number, since it uses as much as digits as its factorization.

13888340787463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 520224768, while the sum is 70.

The spelling of 13888340787463 in words is "thirteen trillion, eight hundred eighty-eight billion, three hundred forty million, seven hundred eighty-seven thousand, four hundred sixty-three".