13876417769 has 2 divisors, whose sum is σ = 13876417770. Its totient is φ = 13876417768.

The previous prime is 13876417717. The next prime is 13876417787. The reversal of 13876417769 is 96771467831.

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., 10002600169 + 3873817600 = 100013^2 + 62240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13876417769 is a prime.

It is a super-2 number, since 2×13876417769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13876417069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938208884 + 6938208885.

It is an arithmetic number, because the mean of its divisors is an integer number (6938208885).

Almost surely, 2^13876417769 is an apocalyptic number.

It is an amenable number.

13876417769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13876417769 is an equidigital number, since it uses as much as digits as its factorization.

13876417769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 59.

The spelling of 13876417769 in words is "thirteen billion, eight hundred seventy-six million, four hundred seventeen thousand, seven hundred sixty-nine".