2049543677 has 8 divisors (see below), whose sum is σ = 2069654400. Its totient is φ = 2029456944.

The previous prime is 2049543673. The next prime is 2049543679. The reversal of 2049543677 is 7763459402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2049543677 - 2² = 2049543673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049543673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199808 + ... + 209814.

It is an arithmetic number, because the mean of its divisors is an integer number (258706800).

Almost surely, 2^2049543677 is an apocalyptic number.

It is an amenable number.

2049543677 is a deficient number, since it is larger than the sum of its proper divisors (20110723).

2049543677 is a wasteful number, since it uses less digits than its factorization.

2049543677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11995.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 2049543677 is about 45271.8861656989. The cubic root of 2049543677 is about 1270.2398284341.

The spelling of 2049543677 in words is "two billion, forty-nine million, five hundred forty-three thousand, six hundred seventy-seven".