13074809518 has 4 divisors (see below), whose sum is σ = 19612214280. Its totient is φ = 6537404758.

The previous prime is 13074809483. The next prime is 13074809551. The reversal of 13074809518 is 81590847031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268702378 + ... + 3268702381.

It is an arithmetic number, because the mean of its divisors is an integer number (4903053570).

Almost surely, 2^13074809518 is an apocalyptic number.

13074809518 is a deficient number, since it is larger than the sum of its proper divisors (6537404762).

13074809518 is an equidigital number, since it uses as much as digits as its factorization.

13074809518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537404761.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 13074809518 in words is "thirteen billion, seventy-four million, eight hundred nine thousand, five hundred eighteen".