2072194798144 has 21 divisors (see below), whose sum is σ = 4112034404947. Its totient is φ = 1036091641024.

The previous prime is 2072194798133. The next prime is 2072194798153. The reversal of 2072194798144 is 4418974912702.

The square root of 2072194798144 is 1439512.

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

It is a Duffinian number.

It is an unprimeable number.

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, 11426127 + ... + 11606065.

Almost surely, 2^{2072194798144} is an apocalyptic number.

2072194798144 is the 1439512-nd square number.

It is an amenable number.

2072194798144 is a deficient number, since it is larger than the sum of its proper divisors (2039839606803).

2072194798144 is an frugal number, since it uses more digits than its factorization.

2072194798144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359890 (or 179941 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 2072194798144 in words is "two trillion, seventy-two billion, one hundred ninety-four million, seven hundred ninety-eight thousand, one hundred forty-four".