189944414206 has 4 divisors (see below), whose sum is σ = 284916621312. Its totient is φ = 94972207102.

The previous prime is 189944414173. The next prime is 189944414249. The reversal of 189944414206 is 602414449981.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×189944414206² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47486103550 + ... + 47486103553.

It is an arithmetic number, because the mean of its divisors is an integer number (71229155328).

Almost surely, 2^189944414206 is an apocalyptic number.

189944414206 is a deficient number, since it is larger than the sum of its proper divisors (94972207106).

189944414206 is an equidigital number, since it uses as much as digits as its factorization.

189944414206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94972207105.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 189944414206 in words is "one hundred eighty-nine billion, nine hundred forty-four million, four hundred fourteen thousand, two hundred six".