13670815216724 has 6 divisors (see below), whose sum is σ = 23923926629274. Its totient is φ = 6835407608360.

The previous prime is 13670815216717. The next prime is 13670815216741. The reversal of 13670815216724 is 42761251807631.

It can be written as a sum of positive squares in only one way, i.e., 11799692164624 + 1871123052100 = 3435068^2 + 1367890^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1708851902087 + ... + 1708851902094.

It is an arithmetic number, because the mean of its divisors is an integer number (3987321104879).

Almost surely, 2^{13670815216724} is an apocalyptic number.

It is an amenable number.

13670815216724 is a deficient number, since it is larger than the sum of its proper divisors (10253111412550).

13670815216724 is a wasteful number, since it uses less digits than its factorization.

13670815216724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417703804185 (or 3417703804183 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 13670815216724 in words is "thirteen trillion, six hundred seventy billion, eight hundred fifteen million, two hundred sixteen thousand, seven hundred twenty-four".