189057127250 has 16 divisors (see below), whose sum is σ = 353914942680. Its totient is φ = 75622850800.

The previous prime is 189057127229. The next prime is 189057127289. The reversal of 189057127250 is 52721750981.

It is a Cunningham number, because it is equal to 434807²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 23425220809 + 165631906441 = 153053^2 + 406979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189057127195 and 189057127204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378114005 + ... + 378114504.

Almost surely, 2^189057127250 is an apocalyptic number.

189057127250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189057127250 is a deficient number, since it is larger than the sum of its proper divisors (164857815430).

189057127250 is an equidigital number, since it uses as much as digits as its factorization.

189057127250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756228526 (or 756228516 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 189057127250 in words is "one hundred eighty-nine billion, fifty-seven million, one hundred twenty-seven thousand, two hundred fifty".