13461446545 has 4 divisors (see below), whose sum is σ = 16153735860. Its totient is φ = 10769157232.

The previous prime is 13461446539. The next prime is 13461446563. The reversal of 13461446545 is 54564416431.

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 5591450176 + 7869996369 = 74776^2 + 88713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13461446545 is a prime.

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, 1346144650 + ... + 1346144659.

It is an arithmetic number, because the mean of its divisors is an integer number (4038433965).

Almost surely, 2^13461446545 is an apocalyptic number.

It is an amenable number.

13461446545 is a deficient number, since it is larger than the sum of its proper divisors (2692289315).

13461446545 is an equidigital number, since it uses as much as digits as its factorization.

13461446545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692289314.

The product of its digits is 691200, while the sum is 43.

The spelling of 13461446545 in words is "thirteen billion, four hundred sixty-one million, four hundred forty-six thousand, five hundred forty-five".