13504740671 has 2 divisors, whose sum is σ = 13504740672. Its totient is φ = 13504740670.

The previous prime is 13504740643. The next prime is 13504740703. The reversal of 13504740671 is 17604740531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13504740671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13504740611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6752370335 + 6752370336.

It is an arithmetic number, because the mean of its divisors is an integer number (6752370336).

Almost surely, 2^13504740671 is an apocalyptic number.

13504740671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13504740671 is an equidigital number, since it uses as much as digits as its factorization.

13504740671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 13504740671 in words is "thirteen billion, five hundred four million, seven hundred forty thousand, six hundred seventy-one".