13782813334 has 4 divisors (see below), whose sum is σ = 20674220004. Its totient is φ = 6891406666.

The previous prime is 13782813271. The next prime is 13782813337. The reversal of 13782813334 is 43331828731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13782813337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3445703332 + ... + 3445703335.

It is an arithmetic number, because the mean of its divisors is an integer number (5168555001).

Almost surely, 2^13782813334 is an apocalyptic number.

13782813334 is a deficient number, since it is larger than the sum of its proper divisors (6891406670).

13782813334 is an equidigital number, since it uses as much as digits as its factorization.

13782813334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6891406669.

The product of its digits is 290304, while the sum is 43.

The spelling of 13782813334 in words is "thirteen billion, seven hundred eighty-two million, eight hundred thirteen thousand, three hundred thirty-four".