13709228065 has 8 divisors (see below), whose sum is σ = 17716540968. Its totient is φ = 10123737600.

The previous prime is 13709228059. The next prime is 13709228101. The reversal of 13709228065 is 56082290731.

It can be written as a sum of positive squares in 4 ways, for example, as 1412857744 + 12296370321 = 37588^2 + 110889^2 .

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

It is not a de Polignac number, because 13709228065 - 2⁷ = 13709227937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105455536 + ... + 105455665.

It is an arithmetic number, because the mean of its divisors is an integer number (2214567621).

Almost surely, 2^13709228065 is an apocalyptic number.

It is an amenable number.

13709228065 is a deficient number, since it is larger than the sum of its proper divisors (4007312903).

13709228065 is a wasteful number, since it uses less digits than its factorization.

13709228065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210911219.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 13709228065 in words is "thirteen billion, seven hundred nine million, two hundred twenty-eight thousand, sixty-five".