193699444493 has 8 divisors (see below), whose sum is σ = 195608115456. Its totient is φ = 191791314000.

The previous prime is 193699444483. The next prime is 193699444529. The reversal of 193699444493 is 394444996391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 193699444493 - 2¹⁸ = 193699182349 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 (193699444453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605063 + ... + 868043.

It is an arithmetic number, because the mean of its divisors is an integer number (24451014432).

Almost surely, 2^193699444493 is an apocalyptic number.

It is an amenable number.

193699444493 is a deficient number, since it is larger than the sum of its proper divisors (1908670963).

193699444493 is a wasteful number, since it uses less digits than its factorization.

193699444493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270235.

The product of its digits is 90699264, while the sum is 65.

The spelling of 193699444493 in words is "one hundred ninety-three billion, six hundred ninety-nine million, four hundred forty-four thousand, four hundred ninety-three".