13074397843 has 4 divisors (see below), whose sum is σ = 14080120768. Its totient is φ = 12068674920.

The previous prime is 13074397823. The next prime is 13074397877. The reversal of 13074397843 is 34879347031.

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

It is a cyclic number.

It is not a de Polignac number, because 13074397843 - 2⁹ = 13074397331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13074397813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502861443 + ... + 502861468.

It is an arithmetic number, because the mean of its divisors is an integer number (3520030192).

Almost surely, 2^13074397843 is an apocalyptic number.

13074397843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13074397843 is a deficient number, since it is larger than the sum of its proper divisors (1005722925).

13074397843 is a wasteful number, since it uses less digits than its factorization.

13074397843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005722924.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 13074397843 in words is "thirteen billion, seventy-four million, three hundred ninety-seven thousand, eight hundred forty-three".