13540325893 has 2 divisors, whose sum is σ = 13540325894. Its totient is φ = 13540325892.

The previous prime is 13540325867. The next prime is 13540325947. The reversal of 13540325893 is 39852304531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12846635649 + 693690244 = 113343^2 + 26338^2 .

It is a cyclic number.

It is not a de Polignac number, because 13540325893 - 2¹³ = 13540317701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13540325803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770162946 + 6770162947.

It is an arithmetic number, because the mean of its divisors is an integer number (6770162947).

Almost surely, 2^13540325893 is an apocalyptic number.

It is an amenable number.

13540325893 is a deficient number, since it is larger than the sum of its proper divisors (1).

13540325893 is an equidigital number, since it uses as much as digits as its factorization.

13540325893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 13540325893 in words is "thirteen billion, five hundred forty million, three hundred twenty-five thousand, eight hundred ninety-three".