189499149224 has 192 divisors, whose sum is σ = 461790616320. Its totient is φ = 72055872000.

The previous prime is 189499149197. The next prime is 189499149239. The reversal of 189499149224 is 422941994981.

It is a happy number.

It is a Cunningham number, because it is equal to 435315²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85320434 + ... + 85322654.

It is an arithmetic number, because the mean of its divisors is an integer number (2405159460).

Almost surely, 2^189499149224 is an apocalyptic number.

189499149224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189499149224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230895308160).

189499149224 is an abundant number, since it is smaller than the sum of its proper divisors (272291467096).

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

189499149224 is a wasteful number, since it uses less digits than its factorization.

189499149224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720 (or 2709 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 62.

The spelling of 189499149224 in words is "one hundred eighty-nine billion, four hundred ninety-nine million, one hundred forty-nine thousand, two hundred twenty-four".