13686734325 has 24 divisors (see below), whose sum is σ = 24685893216. Its totient is φ = 6635992000.

The previous prime is 13686734291. The next prime is 13686734333. The reversal of 13686734325 is 52343768631.

It is not a de Polignac number, because 13686734325 - 2¹⁹ = 13686210037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8294166 + ... + 8295815.

It is an arithmetic number, because the mean of its divisors is an integer number (1028578884).

Almost surely, 2^13686734325 is an apocalyptic number.

13686734325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13686734325 is a deficient number, since it is larger than the sum of its proper divisors (10999158891).

13686734325 is a wasteful number, since it uses less digits than its factorization.

13686734325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590005 (or 16590000 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The spelling of 13686734325 in words is "thirteen billion, six hundred eighty-six million, seven hundred thirty-four thousand, three hundred twenty-five".