189541750970 has 128 divisors (see below), whose sum is σ = 422494652160. Its totient is φ = 60191354880.

The previous prime is 189541750921. The next prime is 189541750987. The reversal of 189541750970 is 79057145981.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21650114 + ... + 21658866.

It is an arithmetic number, because the mean of its divisors is an integer number (3300739470).

Almost surely, 2^189541750970 is an apocalyptic number.

189541750970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189541750970 is an abundant number, since it is smaller than the sum of its proper divisors (232952901190).

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

189541750970 is a wasteful number, since it uses less digits than its factorization.

189541750970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 189541750970 in words is "one hundred eighty-nine billion, five hundred forty-one million, seven hundred fifty thousand, nine hundred seventy".