1867681113964 has 12 divisors (see below), whose sum is σ = 3279991216264. Its totient is φ = 930540766464.

The previous prime is 1867681113787. The next prime is 1867681113979. The reversal of 1867681113964 is 4693111867681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824946357 + ... + 824948620.

Almost surely, 2^{1867681113964} is an apocalyptic number.

It is an amenable number.

1867681113964 is a deficient number, since it is larger than the sum of its proper divisors (1412310102300).

1867681113964 is a wasteful number, since it uses less digits than its factorization.

1867681113964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649895264 (or 1649895262 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The spelling of 1867681113964 in words is "one trillion, eight hundred sixty-seven billion, six hundred eighty-one million, one hundred thirteen thousand, nine hundred sixty-four".