194929016797 has 2 divisors, whose sum is σ = 194929016798. Its totient is φ = 194929016796.

The previous prime is 194929016773. The next prime is 194929016851. The reversal of 194929016797 is 797610929491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120588813081 + 74340203716 = 347259^2 + 272654^2 .

It is a cyclic number.

It is not a de Polignac number, because 194929016797 - 2³¹ = 192781533149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194929046797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97464508398 + 97464508399.

It is an arithmetic number, because the mean of its divisors is an integer number (97464508399).

Almost surely, 2^194929016797 is an apocalyptic number.

It is an amenable number.

194929016797 is a deficient number, since it is larger than the sum of its proper divisors (1).

194929016797 is an equidigital number, since it uses as much as digits as its factorization.

194929016797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The spelling of 194929016797 in words is "one hundred ninety-four billion, nine hundred twenty-nine million, sixteen thousand, seven hundred ninety-seven".