194250243037 has 2 divisors, whose sum is σ = 194250243038. Its totient is φ = 194250243036.

The previous prime is 194250243017. The next prime is 194250243049. The reversal of 194250243037 is 730342052491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191923724281 + 2326518756 = 438091^2 + 48234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194250243037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194250243017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97125121518 + 97125121519.

It is an arithmetic number, because the mean of its divisors is an integer number (97125121519).

Almost surely, 2^194250243037 is an apocalyptic number.

It is an amenable number.

194250243037 is a deficient number, since it is larger than the sum of its proper divisors (1).

194250243037 is an equidigital number, since it uses as much as digits as its factorization.

194250243037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 194250243037 in words is "one hundred ninety-four billion, two hundred fifty million, two hundred forty-three thousand, thirty-seven".