194425940413 has 2 divisors, whose sum is σ = 194425940414. Its totient is φ = 194425940412.

The previous prime is 194425940407. The next prime is 194425940419. The reversal of 194425940413 is 314049524491.

194425940413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (194425940407) and next prime (194425940419).

It can be written as a sum of positive squares in only one way, i.e., 174960668089 + 19465272324 = 418283^2 + 139518^2 .

It is a cyclic number.

It is not a de Polignac number, because 194425940413 - 2⁵ = 194425940381 is a prime.

It is a super-2 number, since 2×194425940413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194425940419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97212970206 + 97212970207.

It is an arithmetic number, because the mean of its divisors is an integer number (97212970207).

Almost surely, 2^194425940413 is an apocalyptic number.

It is an amenable number.

194425940413 is a deficient number, since it is larger than the sum of its proper divisors (1).

194425940413 is an equidigital number, since it uses as much as digits as its factorization.

194425940413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 194425940413 in words is "one hundred ninety-four billion, four hundred twenty-five million, nine hundred forty thousand, four hundred thirteen".