196579673 has 2 divisors, whose sum is σ = 196579674. Its totient is φ = 196579672.

The previous prime is 196579639. The next prime is 196579693. The reversal of 196579673 is 376975691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 57032704 = 11813^2 + 7552^2 .

It is a cyclic number.

It is not a de Polignac number, because 196579673 - 2⁶ = 196579609 is a prime.

It is not a weakly prime, because it can be changed into another prime (196579693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98289836 + 98289837.

It is an arithmetic number, because the mean of its divisors is an integer number (98289837).

Almost surely, 2^196579673 is an apocalyptic number.

It is an amenable number.

196579673 is a deficient number, since it is larger than the sum of its proper divisors (1).

196579673 is an equidigital number, since it uses as much as digits as its factorization.

196579673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2143260, while the sum is 53.

The square root of 196579673 is about 14020.6873226672. The cubic root of 196579673 is about 581.4506621633.

The spelling of 196579673 in words is "one hundred ninety-six million, five hundred seventy-nine thousand, six hundred seventy-three".