2720864231 has 6 divisors (see below), whose sum is σ = 2729434680. Its totient is φ = 2712299648.

The previous prime is 2720864147. The next prime is 2720864269. The reversal of 2720864231 is 1324680272.

It is not a de Polignac number, because 2720864231 - 2²⁶ = 2653755367 is a prime.

It is a super-2 number, since 2×2720864231² = 14806204327070442722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2720864191 and 2720864200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720864291) 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 5 ways as a sum of consecutive naturals, for example, 986951 + ... + 989703.

It is an arithmetic number, because the mean of its divisors is an integer number (454905780).

Almost surely, 2^2720864231 is an apocalyptic number.

2720864231 is a deficient number, since it is larger than the sum of its proper divisors (8570449).

2720864231 is an frugal number, since it uses more digits than its factorization.

2720864231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2720864231 is about 52161.9040200796. The cubic root of 2720864231 is about 1396.0542350981.

The spelling of 2720864231 in words is "two billion, seven hundred twenty million, eight hundred sixty-four thousand, two hundred thirty-one".