194950633 has 2 divisors, whose sum is σ = 194950634. Its totient is φ = 194950632.

The previous prime is 194950631. The next prime is 194950699. The reversal of 194950633 is 336059491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164788569 + 30162064 = 12837^2 + 5492^2 .

It is a cyclic number.

It is not a de Polignac number, because 194950633 - 2¹ = 194950631 is a prime.

Together with 194950631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (194950631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97475316 + 97475317.

It is an arithmetic number, because the mean of its divisors is an integer number (97475317).

Almost surely, 2^194950633 is an apocalyptic number.

It is an amenable number.

194950633 is a deficient number, since it is larger than the sum of its proper divisors (1).

194950633 is an equidigital number, since it uses as much as digits as its factorization.

194950633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 194950633 is about 13962.4723097308. The cubic root of 194950633 is about 579.8400599420.

The spelling of 194950633 in words is "one hundred ninety-four million, nine hundred fifty thousand, six hundred thirty-three".