13427314645 has 4 divisors (see below), whose sum is σ = 16112777580. Its totient is φ = 10741851712.

The previous prime is 13427314619. The next prime is 13427314661. The reversal of 13427314645 is 54641372431.

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 9624002404 + 3803312241 = 98102^2 + 61671^2 .

It is a cyclic number.

It is not a de Polignac number, because 13427314645 - 2⁵ = 13427314613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13427314598 and 13427314607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342731460 + ... + 1342731469.

It is an arithmetic number, because the mean of its divisors is an integer number (4028194395).

Almost surely, 2^13427314645 is an apocalyptic number.

It is an amenable number.

13427314645 is a deficient number, since it is larger than the sum of its proper divisors (2685462935).

13427314645 is an equidigital number, since it uses as much as digits as its factorization.

13427314645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685462934.

The product of its digits is 241920, while the sum is 40.

The spelling of 13427314645 in words is "thirteen billion, four hundred twenty-seven million, three hundred fourteen thousand, six hundred forty-five".