194829413 has 2 divisors, whose sum is σ = 194829414. Its totient is φ = 194829412.

The previous prime is 194829407. The next prime is 194829433. The reversal of 194829413 is 314928491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127622209 + 67207204 = 11297^2 + 8198^2 .

It is a cyclic number.

It is not a de Polignac number, because 194829413 - 2²⁴ = 178052197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194829403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97414706 + 97414707.

It is an arithmetic number, because the mean of its divisors is an integer number (97414707).

Almost surely, 2^194829413 is an apocalyptic number.

It is an amenable number.

194829413 is a deficient number, since it is larger than the sum of its proper divisors (1).

194829413 is an equidigital number, since it uses as much as digits as its factorization.

194829413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 194829413 is about 13958.1307129572. The cubic root of 194829413 is about 579.7198538085.

The spelling of 194829413 in words is "one hundred ninety-four million, eight hundred twenty-nine thousand, four hundred thirteen".