673109992181331 has 6 divisors (see below), whose sum is σ = 972269988706380. Its totient is φ = 448739994787548.

The previous prime is 673109992181321. The next prime is 673109992181369. The reversal of 673109992181331 is 133181299901376.

673109992181331 is a `hidden beast` number, since 6 + 7 + 31 + 0 + 9 + 9 + 92 + 181 + 331 = 666.

It is not a de Polignac number, because 673109992181331 - 2⁷ = 673109992181203 is a prime.

It is a super-2 number, since 2×673109992181331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673109992181321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37394999565621 + ... + 37394999565638.

It is an arithmetic number, because the mean of its divisors is an integer number (162044998117730).

Almost surely, 2^{673109992181331} is an apocalyptic number.

673109992181331 is a deficient number, since it is larger than the sum of its proper divisors (299159996525049).

673109992181331 is a wasteful number, since it uses less digits than its factorization.

673109992181331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74789999131265 (or 74789999131262 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 63.

The spelling of 673109992181331 in words is "six hundred seventy-three trillion, one hundred nine billion, nine hundred ninety-two million, one hundred eighty-one thousand, three hundred thirty-one".