172893341993 has 8 divisors (see below), whose sum is σ = 175830566400. Its totient is φ = 169956345328.

The previous prime is 172893341983. The next prime is 172893342019. The reversal of 172893341993 is 399143398271.

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 172893341993 - 2⁴ = 172893341977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172893341903) 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, 2284955 + ... + 2359407.

It is an arithmetic number, because the mean of its divisors is an integer number (21978820800).

Almost surely, 2^172893341993 is an apocalyptic number.

It is an amenable number.

172893341993 is a deficient number, since it is larger than the sum of its proper divisors (2937224407).

172893341993 is an equidigital number, since it uses as much as digits as its factorization.

172893341993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113871.

The product of its digits is 8817984, while the sum is 59.

The spelling of 172893341993 in words is "one hundred seventy-two billion, eight hundred ninety-three million, three hundred forty-one thousand, nine hundred ninety-three".