2720729069 has 2 divisors, whose sum is σ = 2720729070. Its totient is φ = 2720729068.

The previous prime is 2720729059. The next prime is 2720729119. The reversal of 2720729069 is 9609270272.

2720729069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2269379044 + 451350025 = 47638^2 + 21245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2720729069 is a prime.

It is a super-2 number, since 2×2720729069² = 14804733333803213522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720729059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360364534 + 1360364535.

It is an arithmetic number, because the mean of its divisors is an integer number (1360364535).

Almost surely, 2^2720729069 is an apocalyptic number.

It is an amenable number.

2720729069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720729069 is an equidigital number, since it uses as much as digits as its factorization.

2720729069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 2720729069 is about 52160.6084032769. The cubic root of 2720729069 is about 1396.0311178590.

The spelling of 2720729069 in words is "two billion, seven hundred twenty million, seven hundred twenty-nine thousand, sixty-nine".