2722706989 has 2 divisors, whose sum is σ = 2722706990. Its totient is φ = 2722706988.

The previous prime is 2722706969. The next prime is 2722707019. The reversal of 2722706989 is 9896072272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2544698025 + 178008964 = 50445^2 + 13342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722706989 - 2¹⁵ = 2722674221 is a prime.

It is a super-2 number, since 2×2722706989² = 14826266695898892242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2722706929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361353494 + 1361353495.

It is an arithmetic number, because the mean of its divisors is an integer number (1361353495).

Almost surely, 2^2722706989 is an apocalyptic number.

It is an amenable number.

2722706989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722706989 is an equidigital number, since it uses as much as digits as its factorization.

2722706989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 2722706989 is about 52179.5648602017. The cubic root of 2722706989 is about 1396.3693322305.

The spelling of 2722706989 in words is "two billion, seven hundred twenty-two million, seven hundred six thousand, nine hundred eighty-nine".