188402442743 has 8 divisors (see below), whose sum is σ = 194589440640. Its totient is φ = 182222288640.

The previous prime is 188402442677. The next prime is 188402442757. The reversal of 188402442743 is 347244204881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188402442743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188402442773) 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 7 ways as a sum of consecutive naturals, for example, 1654958 + ... + 1765131.

It is an arithmetic number, because the mean of its divisors is an integer number (24323680080).

Almost surely, 2^188402442743 is an apocalyptic number.

188402442743 is a deficient number, since it is larger than the sum of its proper divisors (6186997897).

188402442743 is a wasteful number, since it uses less digits than its factorization.

188402442743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421897.

The product of its (nonzero) digits is 1376256, while the sum is 47.

The spelling of 188402442743 in words is "one hundred eighty-eight billion, four hundred two million, four hundred forty-two thousand, seven hundred forty-three".