2049531877 has 8 divisors (see below), whose sum is σ = 2124275040. Its totient is φ = 1975060080.

The previous prime is 2049531859. The next prime is 2049531893. The reversal of 2049531877 is 7781359402.

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

It is a de Polignac number, because none of the positive numbers 2^k-2049531877 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 (2049531857) 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, 52399 + ... + 82732.

It is an arithmetic number, because the mean of its divisors is an integer number (265534380).

Almost surely, 2^2049531877 is an apocalyptic number.

It is an amenable number.

2049531877 is a deficient number, since it is larger than the sum of its proper divisors (74743163).

2049531877 is a wasteful number, since it uses less digits than its factorization.

2049531877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135683.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 2049531877 is about 45271.7558418049. The cubic root of 2049531877 is about 1270.2373906786.

The spelling of 2049531877 in words is "two billion, forty-nine million, five hundred thirty-one thousand, eight hundred seventy-seven".