13628820475658 has 8 divisors (see below), whose sum is σ = 20443248866880. Its totient is φ = 6814404186700.

The previous prime is 13628820475651. The next prime is 13628820475687. The reversal of 13628820475658 is 85657402882631.

It is a happy number.

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

It is a super-4 number, since 4×13628820475658⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13628820475594 and 13628820475603.

It is not an unprimeable number, because it can be changed into a prime (13628820475651) 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, 714383 + ... + 5269533.

It is an arithmetic number, because the mean of its divisors is an integer number (2555406108360).

Almost surely, 2^{13628820475658} is an apocalyptic number.

13628820475658 is a deficient number, since it is larger than the sum of its proper divisors (6814428391222).

13628820475658 is a wasteful number, since it uses less digits than its factorization.

13628820475658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051132.

The product of its (nonzero) digits is 154828800, while the sum is 65.

The spelling of 13628820475658 in words is "thirteen trillion, six hundred twenty-eight billion, eight hundred twenty million, four hundred seventy-five thousand, six hundred fifty-eight".