2080784780042 has 4 divisors (see below), whose sum is σ = 3121177170066. Its totient is φ = 1040392390020.

The previous prime is 2080784780027. The next prime is 2080784780057. The reversal of 2080784780042 is 2400874870802.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2080784780027) and next prime (2080784780057).

It can be written as a sum of positive squares in only one way, i.e., 1136119360321 + 944665419721 = 1065889^2 + 971939^2 .

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 as a sum of consecutive naturals, namely, 520196195009 + ... + 520196195012.

Almost surely, 2^{2080784780042} is an apocalyptic number.

2080784780042 is a deficient number, since it is larger than the sum of its proper divisors (1040392390024).

2080784780042 is a wasteful number, since it uses less digits than its factorization.

2080784780042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040392390023.

The product of its (nonzero) digits is 1605632, while the sum is 50.

The spelling of 2080784780042 in words is "two trillion, eighty billion, seven hundred eighty-four million, seven hundred eighty thousand, forty-two".