194942753293 has 16 divisors (see below), whose sum is σ = 198433996992. Its totient is φ = 191481808000.

The previous prime is 194942753287. The next prime is 194942753333. The reversal of 194942753293 is 392357249491.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 194942753293 - 2²⁹ = 194405882381 is a prime.

It is a super-2 number, since 2×194942753293² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194942753273) 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, 10742838 + ... + 10760968.

It is an arithmetic number, because the mean of its divisors is an integer number (12402124812).

Almost surely, 2^194942753293 is an apocalyptic number.

It is an amenable number.

194942753293 is a deficient number, since it is larger than the sum of its proper divisors (3491243699).

194942753293 is a wasteful number, since it uses less digits than its factorization.

194942753293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18956.

The product of its digits is 14696640, while the sum is 58.

The spelling of 194942753293 in words is "one hundred ninety-four billion, nine hundred forty-two million, seven hundred fifty-three thousand, two hundred ninety-three".