1867681113963 has 48 divisors (see below), whose sum is σ = 3040312144896. Its totient is φ = 995575633920.

The previous prime is 1867681113787. The next prime is 1867681113979. The reversal of 1867681113963 is 3693111867681.

It is not a de Polignac number, because 1867681113963 - 2¹⁰ = 1867681112939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1867681113897 and 1867681113906.

It is not an unprimeable number, because it can be changed into a prime (1867681112963) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 4353678 + ... + 4763388.

It is an arithmetic number, because the mean of its divisors is an integer number (63339836352).

Almost surely, 2^{1867681113963} is an apocalyptic number.

1867681113963 is a deficient number, since it is larger than the sum of its proper divisors (1172631030933).

1867681113963 is a wasteful number, since it uses less digits than its factorization.

1867681113963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409964 (or 409851 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The spelling of 1867681113963 in words is "one trillion, eight hundred sixty-seven billion, six hundred eighty-one million, one hundred thirteen thousand, nine hundred sixty-three".