2544933081 has 16 divisors (see below), whose sum is σ = 3498045120. Its totient is φ = 1645009920.

The previous prime is 2544933071. The next prime is 2544933089. The reversal of 2544933081 is 1803394452.

2544933081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2544933081 - 2¹⁰ = 2544932057 is a prime.

It is a super-2 number, since 2×2544933081² = 12953368773536305122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2544933089) 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, 85560 + ... + 111401.

It is an arithmetic number, because the mean of its divisors is an integer number (218627820).

Almost surely, 2^2544933081 is an apocalyptic number.

It is an amenable number.

2544933081 is a deficient number, since it is larger than the sum of its proper divisors (953112039).

2544933081 is a wasteful number, since it uses less digits than its factorization.

2544933081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197096.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2544933081 is about 50447.3297707619. The cubic root of 2544933081 is about 1365.2917177642.

The spelling of 2544933081 in words is "two billion, five hundred forty-four million, nine hundred thirty-three thousand, eighty-one".