2049576513 has 4 divisors (see below), whose sum is σ = 2732768688. Its totient is φ = 1366384340.

The previous prime is 2049576509. The next prime is 2049576527. The reversal of 2049576513 is 3156759402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2049576513 - 2² = 2049576509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2049576533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341596083 + ... + 341596088.

It is an arithmetic number, because the mean of its divisors is an integer number (683192172).

Almost surely, 2^2049576513 is an apocalyptic number.

It is an amenable number.

2049576513 is a deficient number, since it is larger than the sum of its proper divisors (683192175).

2049576513 is an equidigital number, since it uses as much as digits as its factorization.

2049576513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683192174.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2049576513 is about 45272.2488175704. The cubic root of 2049576513 is about 1270.2466119558.

The spelling of 2049576513 in words is "two billion, forty-nine million, five hundred seventy-six thousand, five hundred thirteen".