2780984108242 has 16 divisors (see below), whose sum is σ = 4344146468352. Its totient is φ = 1333729172160.

The previous prime is 2780984108239. The next prime is 2780984108261. The reversal of 2780984108242 is 2428014890872.

It is a happy number.

It is a super-3 number, since 3×2780984108242³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198464598 + ... + 198478609.

It is an arithmetic number, because the mean of its divisors is an integer number (271509154272).

Almost surely, 2^{2780984108242} is an apocalyptic number.

2780984108242 is a deficient number, since it is larger than the sum of its proper divisors (1563162360110).

2780984108242 is a wasteful number, since it uses less digits than its factorization.

2780984108242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396943353.

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 2780984108242 in words is "two trillion, seven hundred eighty billion, nine hundred eighty-four million, one hundred eight thousand, two hundred forty-two".