2642208347 has 2 divisors, whose sum is σ = 2642208348. Its totient is φ = 2642208346.

The previous prime is 2642208341. The next prime is 2642208403. The reversal of 2642208347 is 7438022462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2642208347 - 2¹² = 2642204251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2642208347.

It is not a weakly prime, because it can be changed into another prime (2642208341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321104173 + 1321104174.

It is an arithmetic number, because the mean of its divisors is an integer number (1321104174).

Almost surely, 2^2642208347 is an apocalyptic number.

2642208347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642208347 is an equidigital number, since it uses as much as digits as its factorization.

2642208347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 2642208347 is about 51402.4157700784. The cubic root of 2642208347 is about 1382.4699075993.

The spelling of 2642208347 in words is "two billion, six hundred forty-two million, two hundred eight thousand, three hundred forty-seven".