7398163197 has 6 divisors (see below), whose sum is σ = 10686235742. Its totient is φ = 4932108792.

The previous prime is 7398163189. The next prime is 7398163217. The reversal of 7398163197 is 7913618937.

7398163197 is a `hidden beast` number, since 7 + 398 + 1 + 63 + 197 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4662977796 + 2735185401 = 68286^2 + 52299^2 .

It is not a de Polignac number, because 7398163197 - 2³ = 7398163189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7398163127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411009058 + ... + 411009075.

Almost surely, 2^7398163197 is an apocalyptic number.

It is an amenable number.

7398163197 is a deficient number, since it is larger than the sum of its proper divisors (3288072545).

7398163197 is a wasteful number, since it uses less digits than its factorization.

7398163197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822018139 (or 822018136 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 7398163197 is about 86012.5758072620. The cubic root of 7398163197 is about 1948.5339141895.

The spelling of 7398163197 in words is "seven billion, three hundred ninety-eight million, one hundred sixty-three thousand, one hundred ninety-seven".