13767736897 has 8 divisors (see below), whose sum is σ = 13929126120. Its totient is φ = 13606496640.

The previous prime is 13767736831. The next prime is 13767736933. The reversal of 13767736897 is 79863776731.

It is a Cunningham number, because it is equal to 117336²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2643605056 + 11124131841 = 51416^2 + 105471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13767736897 - 2²³ = 13759348289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13767436897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154423 + ... + 226675.

It is an arithmetic number, because the mean of its divisors is an integer number (1741140765).

Almost surely, 2^13767736897 is an apocalyptic number.

It is an amenable number.

13767736897 is a deficient number, since it is larger than the sum of its proper divisors (161389223).

13767736897 is an equidigital number, since it uses as much as digits as its factorization.

13767736897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74483.

The product of its digits is 56010528, while the sum is 64.

The spelling of 13767736897 in words is "thirteen billion, seven hundred sixty-seven million, seven hundred thirty-six thousand, eight hundred ninety-seven".