13234257634438 has 8 divisors (see below), whose sum is σ = 19852829285760. Its totient is φ = 6616647872520.

The previous prime is 13234257634387. The next prime is 13234257634463. The reversal of 13234257634438 is 83443675243231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240437953 + ... + 240492988.

It is an arithmetic number, because the mean of its divisors is an integer number (2481603660720).

Almost surely, 2^{13234257634438} is an apocalyptic number.

13234257634438 is a deficient number, since it is larger than the sum of its proper divisors (6618571651322).

13234257634438 is a wasteful number, since it uses less digits than its factorization.

13234257634438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480944702.

The product of its digits is 34836480, while the sum is 55.

The spelling of 13234257634438 in words is "thirteen trillion, two hundred thirty-four billion, two hundred fifty-seven million, six hundred thirty-four thousand, four hundred thirty-eight".