2211516679 has 2 divisors, whose sum is σ = 2211516680. Its totient is φ = 2211516678.

The previous prime is 2211516667. The next prime is 2211516721. The reversal of 2211516679 is 9766151122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211516679 - 2⁷ = 2211516551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211516649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105758339 + 1105758340.

It is an arithmetic number, because the mean of its divisors is an integer number (1105758340).

Almost surely, 2^2211516679 is an apocalyptic number.

2211516679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211516679 is an equidigital number, since it uses as much as digits as its factorization.

2211516679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 40.

The square root of 2211516679 is about 47026.7655596257. The cubic root of 2211516679 is about 1302.8569670344.

The spelling of 2211516679 in words is "two billion, two hundred eleven million, five hundred sixteen thousand, six hundred seventy-nine".