2729448773 has 2 divisors, whose sum is σ = 2729448774. Its totient is φ = 2729448772.

The previous prime is 2729448763. The next prime is 2729448791. The reversal of 2729448773 is 3778449272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1897299364 + 832149409 = 43558^2 + 28847^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729448773 - 2²⁶ = 2662339909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729448713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364724386 + 1364724387.

It is an arithmetic number, because the mean of its divisors is an integer number (1364724387).

Almost surely, 2^2729448773 is an apocalyptic number.

It is an amenable number.

2729448773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729448773 is an equidigital number, since it uses as much as digits as its factorization.

2729448773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 53.

The square root of 2729448773 is about 52244.1266842504. The cubic root of 2729448773 is about 1397.5209142173.

It can be divided in two parts, 27294 and 48773, that added together give a palindrome (76067).

The spelling of 2729448773 in words is "two billion, seven hundred twenty-nine million, four hundred forty-eight thousand, seven hundred seventy-three".