13530703687 has 2 divisors, whose sum is σ = 13530703688. Its totient is φ = 13530703686.

The previous prime is 13530703679. The next prime is 13530703691. The reversal of 13530703687 is 78630703531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13530703687 - 2³ = 13530703679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530703387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765351843 + 6765351844.

It is an arithmetic number, because the mean of its divisors is an integer number (6765351844).

Almost surely, 2^13530703687 is an apocalyptic number.

13530703687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530703687 is an equidigital number, since it uses as much as digits as its factorization.

13530703687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 13530703687 in words is "thirteen billion, five hundred thirty million, seven hundred three thousand, six hundred eighty-seven".