13541782741 has 2 divisors, whose sum is σ = 13541782742. Its totient is φ = 13541782740.

The previous prime is 13541782693. The next prime is 13541782753. The reversal of 13541782741 is 14728714531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13524527025 + 17255716 = 116295^2 + 4154^2 .

It is a cyclic number.

It is not a de Polignac number, because 13541782741 - 2⁷ = 13541782613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13541782141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6770891370 + 6770891371.

It is an arithmetic number, because the mean of its divisors is an integer number (6770891371).

Almost surely, 2^13541782741 is an apocalyptic number.

It is an amenable number.

13541782741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13541782741 is an equidigital number, since it uses as much as digits as its factorization.

13541782741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 43.

The spelling of 13541782741 in words is "thirteen billion, five hundred forty-one million, seven hundred eighty-two thousand, seven hundred forty-one".