13074349527409 has 3 divisors (see below), whose sum is σ = 13074353143257. Its totient is φ = 13074345911562.

The previous prime is 13074349527347. The next prime is 13074349527427. The reversal of 13074349527409 is 90472594347031.

It is a happy number.

The square root of 13074349527409 is 3615847.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13074349527409 - 2¹⁷ = 13074349396337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13074349527469) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1807924 + ... + 5423770.

It is an arithmetic number, because the mean of its divisors is an integer number (4358117714419).

Almost surely, 2^{13074349527409} is an apocalyptic number.

13074349527409 is the 3615847-th square number.

13074349527409 is the 1807924-th centered octagonal number.

It is an amenable number.

13074349527409 is a deficient number, since it is larger than the sum of its proper divisors (3615848).

13074349527409 is an frugal number, since it uses more digits than its factorization.

13074349527409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231694 (or 3615847 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 13074349527409 in words is "thirteen trillion, seventy-four billion, three hundred forty-nine million, five hundred twenty-seven thousand, four hundred nine".