38682513245663 has 4 divisors (see below), whose sum is σ = 44208586566480. Its totient is φ = 33156439924848.

The previous prime is 38682513245647. The next prime is 38682513245669. The reversal of 38682513245663 is 36654231528683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38682513245663 - 2⁴ = 38682513245647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38682513245596 and 38682513245605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38682513245669) 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, 2763036660398 + ... + 2763036660411.

It is an arithmetic number, because the mean of its divisors is an integer number (11052146641620).

Almost surely, 2^{38682513245663} is an apocalyptic number.

38682513245663 is a deficient number, since it is larger than the sum of its proper divisors (5526073320817).

38682513245663 is an equidigital number, since it uses as much as digits as its factorization.

38682513245663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526073320816.

The product of its digits is 149299200, while the sum is 62.

The spelling of 38682513245663 in words is "thirty-eight trillion, six hundred eighty-two billion, five hundred thirteen million, two hundred forty-five thousand, six hundred sixty-three".