189909746104344 has 64 divisors (see below), whose sum is σ = 542606366764800. Its totient is φ = 54259218240384.

The previous prime is 189909746104343. The next prime is 189909746104381. The reversal of 189909746104344 is 443401647909981.

189909746104344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189909746104343) 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, 5571142 + ... + 20269610.

It is an arithmetic number, because the mean of its divisors is an integer number (8478224480700).

Almost surely, 2^{189909746104344} is an apocalyptic number.

189909746104344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189909746104344 is an abundant number, since it is smaller than the sum of its proper divisors (352696620660456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189909746104344 is a wasteful number, since it uses less digits than its factorization.

189909746104344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14775392 (or 14775388 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 69.

The spelling of 189909746104344 in words is "one hundred eighty-nine trillion, nine hundred nine billion, seven hundred forty-six million, one hundred four thousand, three hundred forty-four".