9152940197 has 2 divisors, whose sum is σ = 9152940198. Its totient is φ = 9152940196.

The previous prime is 9152940193. The next prime is 9152940289. The reversal of 9152940197 is 7910492519.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7753506916 + 1399433281 = 88054^2 + 37409^2 .

It is a cyclic number.

It is not a de Polignac number, because 9152940197 - 2² = 9152940193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9152940193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4576470098 + 4576470099.

It is an arithmetic number, because the mean of its divisors is an integer number (4576470099).

Almost surely, 2^9152940197 is an apocalyptic number.

It is an amenable number.

9152940197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9152940197 is an equidigital number, since it uses as much as digits as its factorization.

9152940197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 9152940197 is about 95670.9997700453. Note that the first 3 decimals coincide. The cubic root of 9152940197 is about 2091.8002389271.

The spelling of 9152940197 in words is "nine billion, one hundred fifty-two million, nine hundred forty thousand, one hundred ninety-seven".