13465311485 has 4 divisors (see below), whose sum is σ = 16158373788. Its totient is φ = 10772249184.

The previous prime is 13465311481. The next prime is 13465311511. The reversal of 13465311485 is 58411356431.

It is a happy number.

13465311485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8350487161 + 5114824324 = 91381^2 + 71518^2 .

It is a cyclic number.

It is not a de Polignac number, because 13465311485 - 2² = 13465311481 is a prime.

It is a super-2 number, since 2×13465311485² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13465311481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346531144 + ... + 1346531153.

It is an arithmetic number, because the mean of its divisors is an integer number (4039593447).

Almost surely, 2^13465311485 is an apocalyptic number.

It is an amenable number.

13465311485 is a deficient number, since it is larger than the sum of its proper divisors (2693062303).

13465311485 is an equidigital number, since it uses as much as digits as its factorization.

13465311485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693062302.

The product of its digits is 172800, while the sum is 41.

The spelling of 13465311485 in words is "thirteen billion, four hundred sixty-five million, three hundred eleven thousand, four hundred eighty-five".