1942159980996 has 135 divisors (see below), whose sum is σ = 5123176927869. Its totient is φ = 641575289952.

The previous prime is 1942159980991. The next prime is 1942159981057. The reversal of 1942159980996 is 6990899512491.

The square root of 1942159980996 is 1393614.

It is a perfect power (a square), and thus also a powerful number.

1942159980996 is a `hidden beast` number, since 1 + 9 + 4 + 21 + 599 + 8 + 0 + 9 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 170428608900 + 1771731372096 = 412830^2 + 1331064^2 .

It is not an unprimeable number, because it can be changed into a prime (1942159980991) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3486821950 + ... + 3486822506.

Almost surely, 2^{1942159980996} is an apocalyptic number.

1942159980996 is the 1393614-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942159980996

1942159980996 is an abundant number, since it is smaller than the sum of its proper divisors (3181016946873).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1942159980996 is an frugal number, since it uses more digits than its factorization.

1942159980996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 113374080, while the sum is 72.

The spelling of 1942159980996 in words is "one trillion, nine hundred forty-two billion, one hundred fifty-nine million, nine hundred eighty thousand, nine hundred ninety-six".