2708368643 has 2 divisors, whose sum is σ = 2708368644. Its totient is φ = 2708368642.

The previous prime is 2708368633. The next prime is 2708368709. The reversal of 2708368643 is 3468638072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2708368643 - 2¹⁴ = 2708352259 is a prime.

It is a super-2 number, since 2×2708368643² = 14670521412771322898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2708368633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354184321 + 1354184322.

It is an arithmetic number, because the mean of its divisors is an integer number (1354184322).

Almost surely, 2^2708368643 is an apocalyptic number.

2708368643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2708368643 is an equidigital number, since it uses as much as digits as its factorization.

2708368643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 2708368643 is about 52041.9892298517. The cubic root of 2708368643 is about 1393.9138255201.

The spelling of 2708368643 in words is "two billion, seven hundred eight million, three hundred sixty-eight thousand, six hundred forty-three".