2705842949 has 2 divisors, whose sum is σ = 2705842950. Its totient is φ = 2705842948.

The previous prime is 2705842943. The next prime is 2705843053. The reversal of 2705842949 is 9492485072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1643734849 + 1062108100 = 40543^2 + 32590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2705842949 - 2⁸ = 2705842693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2705842897 and 2705842906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2705842943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352921474 + 1352921475.

It is an arithmetic number, because the mean of its divisors is an integer number (1352921475).

Almost surely, 2^2705842949 is an apocalyptic number.

It is an amenable number.

2705842949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705842949 is an equidigital number, since it uses as much as digits as its factorization.

2705842949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2705842949 is about 52017.7176450486. The cubic root of 2705842949 is about 1393.4803918191.

It can be divided in two parts, 27058 and 42949, that added together give a palindrome (70007).

The spelling of 2705842949 in words is "two billion, seven hundred five million, eight hundred forty-two thousand, nine hundred forty-nine".