193049772609 has 16 divisors (see below), whose sum is σ = 276274297152. Its totient is φ = 119469961728.

The previous prime is 193049772607. The next prime is 193049772613. The reversal of 193049772609 is 906277940391.

It is not a de Polignac number, because 193049772609 - 2¹ = 193049772607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193049772607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25922919 + ... + 25930364.

It is an arithmetic number, because the mean of its divisors is an integer number (17267143572).

Almost surely, 2^193049772609 is an apocalyptic number.

It is an amenable number.

193049772609 is a deficient number, since it is larger than the sum of its proper divisors (83224524543).

193049772609 is a wasteful number, since it uses less digits than its factorization.

193049772609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51853376.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 193049772609 in words is "one hundred ninety-three billion, forty-nine million, seven hundred seventy-two thousand, six hundred nine".