13545933257 has 2 divisors, whose sum is σ = 13545933258. Its totient is φ = 13545933256.

The previous prime is 13545933241. The next prime is 13545933277. The reversal of 13545933257 is 75233954531.

13545933257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13322699776 + 223233481 = 115424^2 + 14941^2 .

It is a cyclic number.

It is not a de Polignac number, because 13545933257 - 2⁴ = 13545933241 is a prime.

It is not a weakly prime, because it can be changed into another prime (13545933277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6772966628 + 6772966629.

It is an arithmetic number, because the mean of its divisors is an integer number (6772966629).

Almost surely, 2^13545933257 is an apocalyptic number.

It is an amenable number.

13545933257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13545933257 is an equidigital number, since it uses as much as digits as its factorization.

13545933257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701000, while the sum is 47.

The spelling of 13545933257 in words is "thirteen billion, five hundred forty-five million, nine hundred thirty-three thousand, two hundred fifty-seven".