2721530049 has 16 divisors (see below), whose sum is σ = 4162870272. Its totient is φ = 1549243728.

The previous prime is 2721530041. The next prime is 2721530069. The reversal of 2721530049 is 9400351272.

It is not a de Polignac number, because 2721530049 - 2³ = 2721530041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2721530041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240859 + ... + 251904.

It is an arithmetic number, because the mean of its divisors is an integer number (260179392).

Almost surely, 2^2721530049 is an apocalyptic number.

It is an amenable number.

2721530049 is a deficient number, since it is larger than the sum of its proper divisors (1441340223).

2721530049 is a wasteful number, since it uses less digits than its factorization.

2721530049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493036.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2721530049 is about 52168.2858545304. The cubic root of 2721530049 is about 1396.1681011532.

The spelling of 2721530049 in words is "two billion, seven hundred twenty-one million, five hundred thirty thousand, forty-nine".