It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1992313261.
It is a congruent number.
Almost surely, 21992313261 is an apocalyptic number.
It is an amenable number.
1992313261 is a wasteful number, since it uses less digits than its factorization.
1992313261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17579.
The square root of 1992313261 is about 44635.3364611493. The cubic root of 1992313261 is about 1258.3048635441.
The spelling of 1992313261 in words is "one billion, nine hundred ninety-two million, three hundred thirteen thousand, two hundred sixty-one".