194750629 has 2 divisors, whose sum is σ = 194750630. Its totient is φ = 194750628.

The previous prime is 194750561. The next prime is 194750651. The reversal of 194750629 is 926057491.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112848129 + 81902500 = 10623^2 + 9050^2 .

It is an emirp because it is prime and its reverse (926057491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194750629 - 2²⁵ = 161196197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194750659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97375314 + 97375315.

It is an arithmetic number, because the mean of its divisors is an integer number (97375315).

Almost surely, 2^194750629 is an apocalyptic number.

It is an amenable number.

194750629 is a deficient number, since it is larger than the sum of its proper divisors (1).

194750629 is an equidigital number, since it uses as much as digits as its factorization.

194750629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 194750629 is about 13955.3082731984. The cubic root of 194750629 is about 579.6417020107.

The spelling of 194750629 in words is "one hundred ninety-four million, seven hundred fifty thousand, six hundred twenty-nine".