2198150791 has 2 divisors, whose sum is σ = 2198150792. Its totient is φ = 2198150790.

The previous prime is 2198150761. The next prime is 2198150819. The reversal of 2198150791 is 1970518912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198150791 - 2⁷ = 2198150663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198150741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099075395 + 1099075396.

It is an arithmetic number, because the mean of its divisors is an integer number (1099075396).

Almost surely, 2^2198150791 is an apocalyptic number.

2198150791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198150791 is an equidigital number, since it uses as much as digits as its factorization.

2198150791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 43.

The square root of 2198150791 is about 46884.4408199565. The cubic root of 2198150791 is about 1300.2269408540.

The spelling of 2198150791 in words is "two billion, one hundred ninety-eight million, one hundred fifty thousand, seven hundred ninety-one".