13720809252238 has 8 divisors (see below), whose sum is σ = 22452233321880. Its totient is φ = 6236731478280.

The previous prime is 13720809252233. The next prime is 13720809252259. The reversal of 13720809252238 is 83225290802731.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13720809252233) 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, 311836573893 + ... + 311836573936.

It is an arithmetic number, because the mean of its divisors is an integer number (2806529165235).

Almost surely, 2^{13720809252238} is an apocalyptic number.

13720809252238 is a deficient number, since it is larger than the sum of its proper divisors (8731424069642).

13720809252238 is a wasteful number, since it uses less digits than its factorization.

13720809252238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623673147842.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 13720809252238 in words is "thirteen trillion, seven hundred twenty billion, eight hundred nine million, two hundred fifty-two thousand, two hundred thirty-eight".