9142471297 has 4 divisors (see below), whose sum is σ = 9144866560. Its totient is φ = 9140076036.

The previous prime is 9142471253. The next prime is 9142471313. The reversal of 9142471297 is 7921742419.

It is a happy number.

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 9142471297 - 2²³ = 9134082689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9142471097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191897 + ... + 1199542.

It is an arithmetic number, because the mean of its divisors is an integer number (2286216640).

Almost surely, 2^9142471297 is an apocalyptic number.

It is an amenable number.

9142471297 is a deficient number, since it is larger than the sum of its proper divisors (2395263).

9142471297 is a wasteful number, since it uses less digits than its factorization.

9142471297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395262.

The product of its digits is 254016, while the sum is 46.

The square root of 9142471297 is about 95616.2710891823. The cubic root of 9142471297 is about 2091.0024187195.

The spelling of 9142471297 in words is "nine billion, one hundred forty-two million, four hundred seventy-one thousand, two hundred ninety-seven".