2720255613 has 8 divisors (see below), whose sum is σ = 3704178048. Its totient is φ = 1774918464.

The previous prime is 2720255597. The next prime is 2720255621. The reversal of 2720255613 is 3165520272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2720255613 - 2⁴ = 2720255597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720255653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9646156 + ... + 9646437.

It is an arithmetic number, because the mean of its divisors is an integer number (463022256).

Almost surely, 2^2720255613 is an apocalyptic number.

It is an amenable number.

2720255613 is a deficient number, since it is larger than the sum of its proper divisors (983922435).

2720255613 is a wasteful number, since it uses less digits than its factorization.

2720255613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19292643.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2720255613 is about 52156.0697618216. The cubic root of 2720255613 is about 1395.9501349514.

Adding to 2720255613 its reverse (3165520272), we get a palindrome (5885775885).

The spelling of 2720255613 in words is "two billion, seven hundred twenty million, two hundred fifty-five thousand, six hundred thirteen".