2782989186729 has 16 divisors (see below), whose sum is σ = 3960963118080. Its totient is φ = 1732921359120.

The previous prime is 2782989186707. The next prime is 2782989186739. The reversal of 2782989186729 is 9276819892872.

It is not a de Polignac number, because 2782989186729 - 2⁵ = 2782989186697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2782989186739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343829557 + ... + 343837650.

It is an arithmetic number, because the mean of its divisors is an integer number (247560194880).

Almost surely, 2^{2782989186729} is an apocalyptic number.

It is an amenable number.

2782989186729 is a deficient number, since it is larger than the sum of its proper divisors (1177973931351).

2782989186729 is a wasteful number, since it uses less digits than its factorization.

2782989186729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687667300.

The product of its digits is 877879296, while the sum is 78.

The spelling of 2782989186729 in words is "two trillion, seven hundred eighty-two billion, nine hundred eighty-nine million, one hundred eighty-six thousand, seven hundred twenty-nine".