196430693 has 2 divisors, whose sum is σ = 196430694. Its totient is φ = 196430692.

The previous prime is 196430687. The next prime is 196430761. The reversal of 196430693 is 396034691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115304644 + 81126049 = 10738^2 + 9007^2 .

It is a cyclic number.

It is not a de Polignac number, because 196430693 - 2⁶ = 196430629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196430693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196430623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98215346 + 98215347.

It is an arithmetic number, because the mean of its divisors is an integer number (98215347).

Almost surely, 2^196430693 is an apocalyptic number.

It is an amenable number.

196430693 is a deficient number, since it is larger than the sum of its proper divisors (1).

196430693 is an equidigital number, since it uses as much as digits as its factorization.

196430693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 196430693 is about 14015.3734520347. The cubic root of 196430693 is about 581.3037388477.

The spelling of 196430693 in words is "one hundred ninety-six million, four hundred thirty thousand, six hundred ninety-three".