193468609 has 2 divisors, whose sum is σ = 193468610. Its totient is φ = 193468608.

The previous prime is 193468577. The next prime is 193468669. The reversal of 193468609 is 906864391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147865600 + 45603009 = 12160^2 + 6753^2 .

It is a cyclic number.

It is not a de Polignac number, because 193468609 - 2⁵ = 193468577 is a prime.

It is not a weakly prime, because it can be changed into another prime (193468669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96734304 + 96734305.

It is an arithmetic number, because the mean of its divisors is an integer number (96734305).

Almost surely, 2^193468609 is an apocalyptic number.

It is an amenable number.

193468609 is a deficient number, since it is larger than the sum of its proper divisors (1).

193468609 is an equidigital number, since it uses as much as digits as its factorization.

193468609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 193468609 is about 13909.2993712839. The cubic root of 193468609 is about 578.3669969267.

The spelling of 193468609 in words is "one hundred ninety-three million, four hundred sixty-eight thousand, six hundred nine".