2709661223 has 2 divisors, whose sum is σ = 2709661224. Its totient is φ = 2709661222.

The previous prime is 2709661189. The next prime is 2709661261. The reversal of 2709661223 is 3221669072.

It is an a-pointer prime, because the next prime (2709661261) can be obtained adding 2709661223 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2709661223 - 2¹⁶ = 2709595687 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354830611 + 1354830612.

It is an arithmetic number, because the mean of its divisors is an integer number (1354830612).

Almost surely, 2^2709661223 is an apocalyptic number.

2709661223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709661223 is an equidigital number, since it uses as much as digits as its factorization.

2709661223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 2709661223 is about 52054.4063744848. The cubic root of 2709661223 is about 1394.1355406084.

The spelling of 2709661223 in words is "two billion, seven hundred nine million, six hundred sixty-one thousand, two hundred twenty-three".