1996650954841 has 3 divisors (see below), whose sum is σ = 1996652367871. Its totient is φ = 1996649541812.

The previous prime is 1996650954811. The next prime is 1996650954847. The reversal of 1996650954841 is 1484590566991.

The square root of 1996650954841 is 1413029.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 473648144841 + 1523002810000 = 688221^2 + 1234100^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1996650954841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996650954847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 706515 + ... + 2119543.

Almost surely, 2^{1996650954841} is an apocalyptic number.

1996650954841 is the 1413029-th square number.

1996650954841 is the 706515-th centered octagonal number.

It is an amenable number.

1996650954841 is a deficient number, since it is larger than the sum of its proper divisors (1413030).

1996650954841 is an frugal number, since it uses more digits than its factorization.

1996650954841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826058 (or 1413029 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 67.

The spelling of 1996650954841 in words is "one trillion, nine hundred ninety-six billion, six hundred fifty million, nine hundred fifty-four thousand, eight hundred forty-one".