198532723607 has 2 divisors, whose sum is σ = 198532723608. Its totient is φ = 198532723606.

The previous prime is 198532723589. The next prime is 198532723651. The reversal of 198532723607 is 706327235891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198532723607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198532723667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99266361803 + 99266361804.

It is an arithmetic number, because the mean of its divisors is an integer number (99266361804).

Almost surely, 2^198532723607 is an apocalyptic number.

198532723607 is a deficient number, since it is larger than the sum of its proper divisors (1).

198532723607 is an equidigital number, since it uses as much as digits as its factorization.

198532723607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 198532723607 in words is "one hundred ninety-eight billion, five hundred thirty-two million, seven hundred twenty-three thousand, six hundred seven".