13720548637 has 8 divisors (see below), whose sum is σ = 13946055200. Its totient is φ = 13496853744.

The previous prime is 13720548619. The next prime is 13720548697. The reversal of 13720548637 is 73684502731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13720548637 - 2¹⁵ = 13720515869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13720548697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437643 + ... + 467944.

It is an arithmetic number, because the mean of its divisors is an integer number (1743256900).

Almost surely, 2^13720548637 is an apocalyptic number.

It is an amenable number.

13720548637 is a deficient number, since it is larger than the sum of its proper divisors (225506563).

13720548637 is a wasteful number, since it uses less digits than its factorization.

13720548637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905835.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 13720548637 in words is "thirteen billion, seven hundred twenty million, five hundred forty-eight thousand, six hundred thirty-seven".