9145609197 has 4 divisors (see below), whose sum is σ = 12194145600. Its totient is φ = 6097072796.

The previous prime is 9145609183. The next prime is 9145609201. The reversal of 9145609197 is 7919065419.

9145609197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9145609197 - 2¹² = 9145605101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145605197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524268197 + ... + 1524268202.

It is an arithmetic number, because the mean of its divisors is an integer number (3048536400).

Almost surely, 2^9145609197 is an apocalyptic number.

It is an amenable number.

9145609197 is a deficient number, since it is larger than the sum of its proper divisors (3048536403).

9145609197 is a wasteful number, since it uses less digits than its factorization.

9145609197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048536402.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 9145609197 is about 95632.6784995589. The cubic root of 9145609197 is about 2091.2416175732.

The spelling of 9145609197 in words is "nine billion, one hundred forty-five million, six hundred nine thousand, one hundred ninety-seven".