189065814250 has 32 divisors (see below), whose sum is σ = 354522355200. Its totient is φ = 75500011600.

The previous prime is 189065814247. The next prime is 189065814271. The reversal of 189065814250 is 52418560981.

It is a junction number, because it is equal to n+sod(n) for n = 189065814194 and 189065814203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481522 + ... + 781021.

It is an arithmetic number, because the mean of its divisors is an integer number (11078823600).

Almost surely, 2^189065814250 is an apocalyptic number.

189065814250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189065814250 is a deficient number, since it is larger than the sum of its proper divisors (165456540950).

189065814250 is a wasteful number, since it uses less digits than its factorization.

189065814250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263159 (or 1263149 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 189065814250 in words is "one hundred eighty-nine billion, sixty-five million, eight hundred fourteen thousand, two hundred fifty".