2721423885 has 16 divisors (see below), whose sum is σ = 4368197184. Its totient is φ = 1446786432.

The previous prime is 2721423883. The next prime is 2721423919. The reversal of 2721423885 is 5883241272.

It is not a de Polignac number, because 2721423885 - 2¹ = 2721423883 is a prime.

It is a super-2 number, since 2×2721423885² = 14812295923696986450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721423883) 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 15 ways as a sum of consecutive naturals, for example, 285127 + ... + 294516.

It is an arithmetic number, because the mean of its divisors is an integer number (273012324).

Almost surely, 2^2721423885 is an apocalyptic number.

It is an amenable number.

2721423885 is a deficient number, since it is larger than the sum of its proper divisors (1646773299).

2721423885 is a wasteful number, since it uses less digits than its factorization.

2721423885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579964.

The product of its digits is 215040, while the sum is 42.

The square root of 2721423885 is about 52167.2683298637. The cubic root of 2721423885 is about 1396.1499465716.

The spelling of 2721423885 in words is "two billion, seven hundred twenty-one million, four hundred twenty-three thousand, eight hundred eighty-five".