13769552749 has 2 divisors, whose sum is σ = 13769552750. Its totient is φ = 13769552748.

The previous prime is 13769552651. The next prime is 13769552767. The reversal of 13769552749 is 94725596731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10141899849 + 3627652900 = 100707^2 + 60230^2 .

It is a cyclic number.

It is not a de Polignac number, because 13769552749 - 2¹¹ = 13769550701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13769552693 and 13769552702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13769558749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6884776374 + 6884776375.

It is an arithmetic number, because the mean of its divisors is an integer number (6884776375).

Almost surely, 2^13769552749 is an apocalyptic number.

It is an amenable number.

13769552749 is a deficient number, since it is larger than the sum of its proper divisors (1).

13769552749 is an equidigital number, since it uses as much as digits as its factorization.

13769552749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14288400, while the sum is 58.

The spelling of 13769552749 in words is "thirteen billion, seven hundred sixty-nine million, five hundred fifty-two thousand, seven hundred forty-nine".