It is a happy number.
It is a congruent number.
Almost surely, 21951942104 is an apocalyptic number.
1951942104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1951942104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403814400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1951942104 is a wasteful number, since it uses less digits than its factorization.
1951942104 is an evil number, because the sum of its binary digits is even.
The square root of 1951942104 is about 44180.7888566965. The cubic root of 1951942104 is about 1249.7475978913.
The spelling of 1951942104 in words is "one billion, nine hundred fifty-one million, nine hundred forty-two thousand, one hundred four".