2720865293 has 16 divisors (see below), whose sum is σ = 2902438656. Its totient is φ = 2544896640.

The previous prime is 2720865269. The next prime is 2720865373. The reversal of 2720865293 is 3925680272.

It is not a de Polignac number, because 2720865293 - 2¹⁰ = 2720864269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720865223) 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, 375521 + ... + 382697.

It is an arithmetic number, because the mean of its divisors is an integer number (181402416).

Almost surely, 2^2720865293 is an apocalyptic number.

2720865293 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2720865293 is a deficient number, since it is larger than the sum of its proper divisors (181573363).

2720865293 is a wasteful number, since it uses less digits than its factorization.

2720865293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2720865293 is about 52161.9141999218. The cubic root of 2720865293 is about 1396.0544167328.

The spelling of 2720865293 in words is "two billion, seven hundred twenty million, eight hundred sixty-five thousand, two hundred ninety-three".