184380997689 has 48 divisors (see below), whose sum is σ = 314662626304. Its totient is φ = 101809612800.

The previous prime is 184380997639. The next prime is 184380997693. The reversal of 184380997689 is 986799083481.

184380997689 is a `hidden beast` number, since 1 + 84 + 380 + 9 + 97 + 6 + 89 = 666.

It is not a de Polignac number, because 184380997689 - 2¹² = 184380993593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (184380997639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1244229 + ... + 1384509.

Almost surely, 2^184380997689 is an apocalyptic number.

It is an amenable number.

184380997689 is a deficient number, since it is larger than the sum of its proper divisors (130281628615).

184380997689 is a wasteful number, since it uses less digits than its factorization.

184380997689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140998 (or 140995 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 72.

The spelling of 184380997689 in words is "one hundred eighty-four billion, three hundred eighty million, nine hundred ninety-seven thousand, six hundred eighty-nine".