8214198049 has 2 divisors, whose sum is σ = 8214198050. Its totient is φ = 8214198048.

The previous prime is 8214198017. The next prime is 8214198067. The reversal of 8214198049 is 9408914128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6465285649 + 1748912400 = 80407^2 + 41820^2 .

It is a cyclic number.

It is not a de Polignac number, because 8214198049 - 2⁵ = 8214198017 is a prime.

It is not a weakly prime, because it can be changed into another prime (8214198079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107099024 + 4107099025.

It is an arithmetic number, because the mean of its divisors is an integer number (4107099025).

Almost surely, 2^8214198049 is an apocalyptic number.

It is an amenable number.

8214198049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214198049 is an equidigital number, since it uses as much as digits as its factorization.

8214198049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 8214198049 is about 90632.2130867386. The cubic root of 8214198049 is about 2017.6928572739.

The spelling of 8214198049 in words is "eight billion, two hundred fourteen million, one hundred ninety-eight thousand, forty-nine".