2198027911 has 2 divisors, whose sum is σ = 2198027912. Its totient is φ = 2198027910.

The previous prime is 2198027899. The next prime is 2198027987. The reversal of 2198027911 is 1197208912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2198027911 - 2⁵ = 2198027879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198027411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099013955 + 1099013956.

It is an arithmetic number, because the mean of its divisors is an integer number (1099013956).

Almost surely, 2^2198027911 is an apocalyptic number.

2198027911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198027911 is an equidigital number, since it uses as much as digits as its factorization.

2198027911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 2198027911 is about 46883.1303455731. The cubic root of 2198027911 is about 1300.2027121759.

The spelling of 2198027911 in words is "two billion, one hundred ninety-eight million, twenty-seven thousand, nine hundred eleven".