13530051391 has 2 divisors, whose sum is σ = 13530051392. Its totient is φ = 13530051390.

The previous prime is 13530051287. The next prime is 13530051421. The reversal of 13530051391 is 19315003531.

It is a strong prime.

It is an emirp because it is prime and its reverse (19315003531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13530051391 - 2¹⁷ = 13529920319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530001391) 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, 6765025695 + 6765025696.

It is an arithmetic number, because the mean of its divisors is an integer number (6765025696).

Almost surely, 2^13530051391 is an apocalyptic number.

13530051391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530051391 is an equidigital number, since it uses as much as digits as its factorization.

13530051391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6075, while the sum is 31.

The spelling of 13530051391 in words is "thirteen billion, five hundred thirty million, fifty-one thousand, three hundred ninety-one".