194050890650 has 48 divisors (see below), whose sum is σ = 378138773760. Its totient is φ = 73995292800.

The previous prime is 194050890643. The next prime is 194050890659. The reversal of 194050890650 is 56098050491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194050890595 and 194050890604.

It is not an unprimeable number, because it can be changed into a prime (194050890659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830435 + ... + 1038134.

It is an arithmetic number, because the mean of its divisors is an integer number (7877891120).

Almost surely, 2^194050890650 is an apocalyptic number.

194050890650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194050890650 is a deficient number, since it is larger than the sum of its proper divisors (184087883110).

194050890650 is a wasteful number, since it uses less digits than its factorization.

194050890650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868679 (or 1868674 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 194050890650 in words is "one hundred ninety-four billion, fifty million, eight hundred ninety thousand, six hundred fifty".