3948198097 has 2 divisors, whose sum is σ = 3948198098. Its totient is φ = 3948198096.

The previous prime is 3948198091. The next prime is 3948198113. The reversal of 3948198097 is 7908918493.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2470487616 + 1477710481 = 49704^2 + 38441^2 .

It is a cyclic number.

It is not a de Polignac number, because 3948198097 - 2¹⁵ = 3948165329 is a prime.

It is not a weakly prime, because it can be changed into another prime (3948198091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1974099048 + 1974099049.

It is an arithmetic number, because the mean of its divisors is an integer number (1974099049).

Almost surely, 2^3948198097 is an apocalyptic number.

It is an amenable number.

3948198097 is a deficient number, since it is larger than the sum of its proper divisors (1).

3948198097 is an equidigital number, since it uses as much as digits as its factorization.

3948198097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The square root of 3948198097 is about 62834.6886440921. The cubic root of 3948198097 is about 1580.5187231548.

The spelling of 3948198097 in words is "three billion, nine hundred forty-eight million, one hundred ninety-eight thousand, ninety-seven".