13444143374 has 4 divisors (see below), whose sum is σ = 20166215064. Its totient is φ = 6722071686.

The previous prime is 13444143319. The next prime is 13444143389. The reversal of 13444143374 is 47334144431.

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

It is a Curzon number.

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, 3361035842 + ... + 3361035845.

It is an arithmetic number, because the mean of its divisors is an integer number (5041553766).

Almost surely, 2^13444143374 is an apocalyptic number.

13444143374 is a deficient number, since it is larger than the sum of its proper divisors (6722071690).

13444143374 is an equidigital number, since it uses as much as digits as its factorization.

13444143374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722071689.

The product of its digits is 193536, while the sum is 38.

The spelling of 13444143374 in words is "thirteen billion, four hundred forty-four million, one hundred forty-three thousand, three hundred seventy-four".