2790389838916 has 27 divisors (see below), whose sum is σ = 4894568553693. Its totient is φ = 1391949242880.

The previous prime is 2790389838853. The next prime is 2790389838953. The reversal of 2790389838916 is 6198389830972.

The square root of 2790389838916 is 1670446.

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

It can be written as a sum of positive squares in only one way, i.e., 2518740398916 + 271649440000 = 1587054^2 + 521200^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2141511121 + ... + 2141512423.

Almost surely, 2^{2790389838916} is an apocalyptic number.

2790389838916 is the 1670446-th square number.

It is an amenable number.

2790389838916 is a deficient number, since it is larger than the sum of its proper divisors (2104178714777).

2790389838916 is an frugal number, since it uses more digits than its factorization.

2790389838916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 73.

The spelling of 2790389838916 in words is "two trillion, seven hundred ninety billion, three hundred eighty-nine million, eight hundred thirty-eight thousand, nine hundred sixteen".