13771534289 has 2 divisors, whose sum is σ = 13771534290. Its totient is φ = 13771534288.

The previous prime is 13771534279. The next prime is 13771534313. The reversal of 13771534289 is 98243517731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13767502225 + 4032064 = 117335^2 + 2008^2 .

It is a cyclic number.

It is not a de Polignac number, because 13771534289 - 2³² = 9476566993 is a prime.

It is not a weakly prime, because it can be changed into another prime (13771534279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6885767144 + 6885767145.

It is an arithmetic number, because the mean of its divisors is an integer number (6885767145).

Almost surely, 2^13771534289 is an apocalyptic number.

It is an amenable number.

13771534289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13771534289 is an equidigital number, since it uses as much as digits as its factorization.

13771534289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The spelling of 13771534289 in words is "thirteen billion, seven hundred seventy-one million, five hundred thirty-four thousand, two hundred eighty-nine".