185949989308 has 12 divisors (see below), whose sum is σ = 332980213720. Its totient is φ = 90812785392.

The previous prime is 185949989299. The next prime is 185949989353. The reversal of 185949989308 is 803989949581.

It is a congruent number.

It is an unprimeable number.

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, 540552123 + ... + 540552466.

Almost surely, 2^185949989308 is an apocalyptic number.

It is an amenable number.

185949989308 is a deficient number, since it is larger than the sum of its proper divisors (147030224412).

185949989308 is a wasteful number, since it uses less digits than its factorization.

185949989308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081104636 (or 1081104634 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 73.

The spelling of 185949989308 in words is "one hundred eighty-five billion, nine hundred forty-nine million, nine hundred eighty-nine thousand, three hundred eight".