993191551672319 has 8 divisors (see below), whose sum is σ = 1047302163462000. Its totient is φ = 939264677105472.

The previous prime is 993191551672303. The next prime is 993191551672361. The reversal of 993191551672319 is 913276155191399.

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 993191551672319 - 2⁴ = 993191551672303 is a prime.

It is a super-2 number, since 2×993191551672319² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993191551672519) 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, 45934294604 + ... + 45934316225.

It is an arithmetic number, because the mean of its divisors is an integer number (130912770432750).

Almost surely, 2^{993191551672319} is an apocalyptic number.

993191551672319 is a deficient number, since it is larger than the sum of its proper divisors (54110611789681).

993191551672319 is a wasteful number, since it uses less digits than its factorization.

993191551672319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91868611417.

The product of its digits is 124002900, while the sum is 71.

The spelling of 993191551672319 in words is "nine hundred ninety-three trillion, one hundred ninety-one billion, five hundred fifty-one million, six hundred seventy-two thousand, three hundred nineteen".