13360465108809 has 135 divisors (see below), whose sum is σ = 25145623593783. Its totient is φ = 7045699254048.

The previous prime is 13360465108801. The next prime is 13360465108817. The reversal of 13360465108809 is 90880156406331.

The square root of 13360465108809 is 3655197.

It is a perfect power (a square), and thus also a powerful number.

13360465108809 is a `hidden beast` number, since 1 + 3 + 3 + 6 + 0 + 46 + 510 + 8 + 80 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (13360465108801) and next prime (13360465108817).

It can be written as a sum of positive squares in only one way, i.e., 1976400164025 + 11384064944784 = 1405845^2 + 3374028^2 .

It is not a de Polignac number, because 13360465108809 - 2³ = 13360465108801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13360465108801) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2993604112 + ... + 2993608574.

Almost surely, 2^{13360465108809} is an apocalyptic number.

13360465108809 is the 3655197-th square number.

13360465108809 is the 1827599-th centered octagonal number.

It is an amenable number.

13360465108809 is a deficient number, since it is larger than the sum of its proper divisors (11785158484974).

13360465108809 is an frugal number, since it uses more digits than its factorization.

13360465108809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8978 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 13360465108809 in words is "thirteen trillion, three hundred sixty billion, four hundred sixty-five million, one hundred eight thousand, eight hundred nine".