2705247823 has 2 divisors, whose sum is σ = 2705247824. Its totient is φ = 2705247822.

The previous prime is 2705247817. The next prime is 2705247847. The reversal of 2705247823 is 3287425072.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2705247823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2705241823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352623911 + 1352623912.

It is an arithmetic number, because the mean of its divisors is an integer number (1352623912).

Almost surely, 2^2705247823 is an apocalyptic number.

2705247823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705247823 is an equidigital number, since it uses as much as digits as its factorization.

2705247823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2705247823 is about 52011.9969141736. The cubic root of 2705247823 is about 1393.3782231378.

The spelling of 2705247823 in words is "two billion, seven hundred five million, two hundred forty-seven thousand, eight hundred twenty-three".