2729664479 has 2 divisors, whose sum is σ = 2729664480. Its totient is φ = 2729664478.

The previous prime is 2729664463. The next prime is 2729664533. The reversal of 2729664479 is 9744669272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2729664479 - 2⁴ = 2729664463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729664779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364832239 + 1364832240.

It is an arithmetic number, because the mean of its divisors is an integer number (1364832240).

Almost surely, 2^2729664479 is an apocalyptic number.

2729664479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729664479 is an equidigital number, since it uses as much as digits as its factorization.

2729664479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The square root of 2729664479 is about 52246.1910477692. The cubic root of 2729664479 is about 1397.5577282080.

The spelling of 2729664479 in words is "two billion, seven hundred twenty-nine million, six hundred sixty-four thousand, four hundred seventy-nine".