13374049943 has 4 divisors (see below), whose sum is σ = 13389547968. Its totient is φ = 13358551920.

The previous prime is 13374049937. The next prime is 13374049987. The reversal of 13374049943 is 34994047331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34994047331 = 37 ⋅945785063.

It is a cyclic number.

It is not a de Polignac number, because 13374049943 - 2¹² = 13374045847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13374049643) 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, 7747718 + ... + 7749443.

It is an arithmetic number, because the mean of its divisors is an integer number (3347386992).

Almost surely, 2^13374049943 is an apocalyptic number.

13374049943 is a deficient number, since it is larger than the sum of its proper divisors (15498025).

13374049943 is an equidigital number, since it uses as much as digits as its factorization.

13374049943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15498024.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 13374049943 in words is "thirteen billion, three hundred seventy-four million, forty-nine thousand, nine hundred forty-three".