2720855091 has 8 divisors (see below), whose sum is σ = 3632984784. Its totient is φ = 1811314400.

The previous prime is 2720855069. The next prime is 2720855099. The reversal of 2720855091 is 1905580272.

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

It is a cyclic number.

It is not a de Polignac number, because 2720855091 - 2¹⁰ = 2720854067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2720855099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644796 + ... + 649001.

It is an arithmetic number, because the mean of its divisors is an integer number (454123098).

Almost surely, 2^2720855091 is an apocalyptic number.

2720855091 is a deficient number, since it is larger than the sum of its proper divisors (912129693).

2720855091 is a wasteful number, since it uses less digits than its factorization.

2720855091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294501.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 2720855091 is about 52161.8164081735. The cubic root of 2720855091 is about 1396.0526718755.

The spelling of 2720855091 in words is "two billion, seven hundred twenty million, eight hundred fifty-five thousand, ninety-one".