2049532811 has 4 divisors (see below), whose sum is σ = 2051175000. Its totient is φ = 2047890624.

The previous prime is 2049532799. The next prime is 2049532819. The reversal of 2049532811 is 1182359402.

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

It is a cyclic number.

It is not a de Polignac number, because 2049532811 - 2³⁰ = 975790987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049532819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819221 + ... + 821718.

It is an arithmetic number, because the mean of its divisors is an integer number (512793750).

Almost surely, 2^2049532811 is an apocalyptic number.

2049532811 is a deficient number, since it is larger than the sum of its proper divisors (1642189).

2049532811 is a wasteful number, since it uses less digits than its factorization.

2049532811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642188.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2049532811 is about 45271.7661572862. The cubic root of 2049532811 is about 1270.2375836335.

The spelling of 2049532811 in words is "two billion, forty-nine million, five hundred thirty-two thousand, eight hundred eleven".