13765441247 has 2 divisors, whose sum is σ = 13765441248. Its totient is φ = 13765441246.

The previous prime is 13765441219. The next prime is 13765441267. The reversal of 13765441247 is 74214456731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13765441247 - 2¹⁴ = 13765424863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13765441198 and 13765441207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13765441267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6882720623 + 6882720624.

It is an arithmetic number, because the mean of its divisors is an integer number (6882720624).

Almost surely, 2^13765441247 is an apocalyptic number.

13765441247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13765441247 is an equidigital number, since it uses as much as digits as its factorization.

13765441247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

Adding to 13765441247 its reverse (74214456731), we get a palindrome (87979897978).

The spelling of 13765441247 in words is "thirteen billion, seven hundred sixty-five million, four hundred forty-one thousand, two hundred forty-seven".