196909093 has 2 divisors, whose sum is σ = 196909094. Its totient is φ = 196909092.

The previous prime is 196909091. The next prime is 196909099. The reversal of 196909093 is 390909691.

196909093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171688609 + 25220484 = 13103^2 + 5022^2 .

It is a cyclic number.

It is not a de Polignac number, because 196909093 - 2¹ = 196909091 is a prime.

Together with 196909091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196909091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98454546 + 98454547.

It is an arithmetic number, because the mean of its divisors is an integer number (98454547).

Almost surely, 2^196909093 is an apocalyptic number.

It is an amenable number.

196909093 is a deficient number, since it is larger than the sum of its proper divisors (1).

196909093 is an equidigital number, since it uses as much as digits as its factorization.

196909093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 118098, while the sum is 46.

The square root of 196909093 is about 14032.4300461467. The cubic root of 196909093 is about 581.7752711480.

The spelling of 196909093 in words is "one hundred ninety-six million, nine hundred nine thousand, ninety-three".