2049791676 has 12 divisors (see below), whose sum is σ = 4782847272. Its totient is φ = 683263888.

The previous prime is 2049791669. The next prime is 2049791699. The reversal of 2049791676 is 6761979402.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85407975 + ... + 85407998.

It is an arithmetic number, because the mean of its divisors is an integer number (398570606).

Almost surely, 2^2049791676 is an apocalyptic number.

It is an amenable number.

2049791676 is an abundant number, since it is smaller than the sum of its proper divisors (2733055596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2049791676 is a wasteful number, since it uses less digits than its factorization.

2049791676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170815980 (or 170815978 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 2049791676 is about 45274.6250785139. The cubic root of 2049791676 is about 1270.2910602449.

The spelling of 2049791676 in words is "two billion, forty-nine million, seven hundred ninety-one thousand, six hundred seventy-six".