69198097 has 4 divisors (see below), whose sum is σ = 69598260. Its totient is φ = 68797936.

The previous prime is 69198079. The next prime is 69198113. The reversal of 69198097 is 79089196.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57699216 + 11498881 = 7596^2 + 3391^2 .

It is a cyclic number.

It is not a de Polignac number, because 69198097 - 2⁷ = 69197969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69198097.

It is not an unprimeable number, because it can be changed into a prime (69198397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199822 + ... + 200167.

It is an arithmetic number, because the mean of its divisors is an integer number (17399565).

Almost surely, 2^69198097 is an apocalyptic number.

It is an amenable number.

69198097 is a deficient number, since it is larger than the sum of its proper divisors (400163).

69198097 is a wasteful number, since it uses less digits than its factorization.

69198097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400162.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 69198097 is about 8318.5393549589. The cubic root of 69198097 is about 410.5487338309.

The spelling of 69198097 in words is "sixty-nine million, one hundred ninety-eight thousand, ninety-seven".