2381532686188 has 12 divisors (see below), whose sum is σ = 4168366479592. Its totient is φ = 1190570834880.

The previous prime is 2381532686173. The next prime is 2381532686189. The reversal of 2381532686188 is 8816862351832.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2381532686189) 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 3 ways as a sum of consecutive naturals, for example, 48849645 + ... + 48898372.

Almost surely, 2^{2381532686188} is an apocalyptic number.

It is an amenable number.

2381532686188 is a deficient number, since it is larger than the sum of its proper divisors (1786833793404).

2381532686188 is a wasteful number, since it uses less digits than its factorization.

2381532686188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97754112 (or 97754110 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 61.

The spelling of 2381532686188 in words is "two trillion, three hundred eighty-one billion, five hundred thirty-two million, six hundred eighty-six thousand, one hundred eighty-eight".