193048799509 has 16 divisors (see below), whose sum is σ = 197776650240. Its totient is φ = 188373808240.

The previous prime is 193048799501. The next prime is 193048799579. The reversal of 193048799509 is 905997840391.

It is a cyclic number.

It is not a de Polignac number, because 193048799509 - 2³ = 193048799501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193048799501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244282 + ... + 5280964.

It is an arithmetic number, because the mean of its divisors is an integer number (12361040640).

Almost surely, 2^193048799509 is an apocalyptic number.

It is an amenable number.

193048799509 is a deficient number, since it is larger than the sum of its proper divisors (4727850731).

193048799509 is a wasteful number, since it uses less digits than its factorization.

193048799509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37400.

The product of its (nonzero) digits is 22044960, while the sum is 64.

The spelling of 193048799509 in words is "one hundred ninety-three billion, forty-eight million, seven hundred ninety-nine thousand, five hundred nine".