13850747673487 has 2 divisors, whose sum is σ = 13850747673488. Its totient is φ = 13850747673486.

The previous prime is 13850747673421. The next prime is 13850747673527. The reversal of 13850747673487 is 78437674705831.

13850747673487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13850747673487 - 2³⁹ = 13300991859599 is a prime.

It is a super-2 number, since 2×13850747673487² (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 (13850747673887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6925373836743 + 6925373836744.

It is an arithmetic number, because the mean of its divisors is an integer number (6925373836744).

Almost surely, 2^{13850747673487} is an apocalyptic number.

13850747673487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13850747673487 is an equidigital number, since it uses as much as digits as its factorization.

13850747673487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663828480, while the sum is 70.

The spelling of 13850747673487 in words is "thirteen trillion, eight hundred fifty billion, seven hundred forty-seven million, six hundred seventy-three thousand, four hundred eighty-seven".