2049948513 has 24 divisors (see below), whose sum is σ = 3198400800. Its totient is φ = 1294056648.

The previous prime is 2049948443. The next prime is 2049948533. The reversal of 2049948513 is 3158499402.

2049948513 is a `hidden beast` number, since 2 + 0 + 4 + 99 + 48 + 513 = 666.

It is not a de Polignac number, because 2049948513 - 2⁹ = 2049948001 is a prime.

It is a super-2 number, since 2×2049948513² = 8404577811901822338, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2049948533) 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 23 ways as a sum of consecutive naturals, for example, 1024488 + ... + 1026486.

It is an arithmetic number, because the mean of its divisors is an integer number (133266700).

Almost surely, 2^2049948513 is an apocalyptic number.

It is an amenable number.

2049948513 is a deficient number, since it is larger than the sum of its proper divisors (1148452287).

2049948513 is an frugal number, since it uses more digits than its factorization.

2049948513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 2049948513 is about 45276.3571083187. The cubic root of 2049948513 is about 1270.3234576117.

The spelling of 2049948513 in words is "two billion, forty-nine million, nine hundred forty-eight thousand, five hundred thirteen".