13773741881 has 2 divisors, whose sum is σ = 13773741882. Its totient is φ = 13773741880.

The previous prime is 13773741869. The next prime is 13773741901. The reversal of 13773741881 is 18814737731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12245635600 + 1528106281 = 110660^2 + 39091^2 .

It is a cyclic number.

It is not a de Polignac number, because 13773741881 - 2¹⁰ = 13773740857 is a prime.

It is a super-2 number, since 2×13773741881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13773743881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6886870940 + 6886870941.

It is an arithmetic number, because the mean of its divisors is an integer number (6886870941).

Almost surely, 2^13773741881 is an apocalyptic number.

It is an amenable number.

13773741881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13773741881 is an equidigital number, since it uses as much as digits as its factorization.

13773741881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 50.

The spelling of 13773741881 in words is "thirteen billion, seven hundred seventy-three million, seven hundred forty-one thousand, eight hundred eighty-one".