2785634436484 has 9 divisors (see below), whose sum is σ = 4874866105431. Its totient is φ = 1392815549220.

The previous prime is 2785634436461. The next prime is 2785634436503. The reversal of 2785634436484 is 4846344365872.

The square root of 2785634436484 is 1669022.

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 (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2920789 + ... + 3755299.

Almost surely, 2^{2785634436484} is an apocalyptic number.

2785634436484 is the 1669022-nd square number.

It is an amenable number.

2785634436484 is a deficient number, since it is larger than the sum of its proper divisors (2089231668947).

2785634436484 is an frugal number, since it uses more digits than its factorization.

2785634436484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669026 (or 834513 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 64.

Multiplying 2785634436484 by its sum of digits (64), we get a square (178280603934976 = 13352176²).

The spelling of 2785634436484 in words is "two trillion, seven hundred eighty-five billion, six hundred thirty-four million, four hundred thirty-six thousand, four hundred eighty-four".