193742315393 has 8 divisors (see below), whose sum is σ = 211359247776. Its totient is φ = 176126048800.

The previous prime is 193742315369. The next prime is 193742315399. The reversal of 193742315393 is 393513247391.

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 193742315393 - 2¹² = 193742311297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193742315399) 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, 592478 + ... + 859368.

It is an arithmetic number, because the mean of its divisors is an integer number (26419905972).

Almost surely, 2^193742315393 is an apocalyptic number.

It is an amenable number.

193742315393 is a deficient number, since it is larger than the sum of its proper divisors (17616932383).

193742315393 is a wasteful number, since it uses less digits than its factorization.

193742315393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332895.

The product of its digits is 1837080, while the sum is 50.

The spelling of 193742315393 in words is "one hundred ninety-three billion, seven hundred forty-two million, three hundred fifteen thousand, three hundred ninety-three".