193253931394 has 8 divisors (see below), whose sum is σ = 290062417788. Its totient is φ = 96566458800.

The previous prime is 193253931379. The next prime is 193253931419. The reversal of 193253931394 is 493139352391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185773930225 + 7480001169 = 431015^2 + 86487^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30249457 + ... + 30255844.

Almost surely, 2^193253931394 is an apocalyptic number.

193253931394 is a deficient number, since it is larger than the sum of its proper divisors (96808486394).

193253931394 is a wasteful number, since it uses less digits than its factorization.

193253931394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506900.

The product of its digits is 2361960, while the sum is 52.

The spelling of 193253931394 in words is "one hundred ninety-three billion, two hundred fifty-three million, nine hundred thirty-one thousand, three hundred ninety-four".