188609796843 has 16 divisors (see below), whose sum is σ = 272006975520. Its totient is φ = 115560716544.

The previous prime is 188609796839. The next prime is 188609796877. The reversal of 188609796843 is 348697906881.

It is not a de Polignac number, because 188609796843 - 2² = 188609796839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (188609796883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10550346 + ... + 10568207.

It is an arithmetic number, because the mean of its divisors is an integer number (17000435970).

Almost surely, 2^188609796843 is an apocalyptic number.

188609796843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

188609796843 is a deficient number, since it is larger than the sum of its proper divisors (83397178677).

188609796843 is a wasteful number, since it uses less digits than its factorization.

188609796843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21118798.

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 188609796843 in words is "one hundred eighty-eight billion, six hundred nine million, seven hundred ninety-six thousand, eight hundred forty-three".