13738144774 has 4 divisors (see below), whose sum is σ = 20607217164. Its totient is φ = 6869072386.

The previous prime is 13738144759. The next prime is 13738144781. The reversal of 13738144774 is 47744183731.

13738144774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13738144774² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434536192 + ... + 3434536195.

It is an arithmetic number, because the mean of its divisors is an integer number (5151804291).

Almost surely, 2^13738144774 is an apocalyptic number.

13738144774 is a deficient number, since it is larger than the sum of its proper divisors (6869072390).

13738144774 is an equidigital number, since it uses as much as digits as its factorization.

13738144774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869072389.

The product of its digits is 1580544, while the sum is 49.

The spelling of 13738144774 in words is "thirteen billion, seven hundred thirty-eight million, one hundred forty-four thousand, seven hundred seventy-four".