189093782350 has 24 divisors (see below), whose sum is σ = 383688475848. Its totient is φ = 68761375200.

The previous prime is 189093782341. The next prime is 189093782357. The reversal of 189093782350 is 53287390981.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 189093782291 and 189093782300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189093782357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171902889 + ... + 171903988.

It is an arithmetic number, because the mean of its divisors is an integer number (15987019827).

Almost surely, 2^189093782350 is an apocalyptic number.

189093782350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189093782350 is an abundant number, since it is smaller than the sum of its proper divisors (194594693498).

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

189093782350 is a wasteful number, since it uses less digits than its factorization.

189093782350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343806900 (or 343806895 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 189093782350 in words is "one hundred eighty-nine billion, ninety-three million, seven hundred eighty-two thousand, three hundred fifty".