2782986909994 has 4 divisors (see below), whose sum is σ = 4174480364994. Its totient is φ = 1391493454996.

The previous prime is 2782986909991. The next prime is 2782986910031. The reversal of 2782986909994 is 4999096892872.

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

It can be written as a sum of positive squares in only one way, i.e., 2712131391025 + 70855518969 = 1646855^2 + 266187^2 .

It is a super-2 number, since 2×2782986909994² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2782986909991) by changing a digit.

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 as a sum of consecutive naturals, namely, 695746727497 + ... + 695746727500.

Almost surely, 2^{2782986909994} is an apocalyptic number.

2782986909994 is a deficient number, since it is larger than the sum of its proper divisors (1391493455000).

2782986909994 is a wasteful number, since it uses less digits than its factorization.

2782986909994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391493454999.

The product of its (nonzero) digits is 2539579392, while the sum is 82.

The spelling of 2782986909994 in words is "two trillion, seven hundred eighty-two billion, nine hundred eighty-six million, nine hundred nine thousand, nine hundred ninety-four".