9209473156 has 27 divisors (see below), whose sum is σ = 17456408613. Its totient is φ = 4249374480.

The previous prime is 9209473151. The next prime is 9209473159. The reversal of 9209473156 is 6513749029.

It is a happy number.

The square root of 9209473156 is 95966.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1362348100 + 7847125056 = 36910^2 + 88584^2 .

It is a super-2 number, since 2×9209473156² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9209473151) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2493271 + ... + 2496961.

Almost surely, 2^9209473156 is an apocalyptic number.

9209473156 is the 95966-th square number.

It is an amenable number.

9209473156 is a deficient number, since it is larger than the sum of its proper divisors (8246935457).

9209473156 is an equidigital number, since it uses as much as digits as its factorization.

9209473156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7412 (or 3706 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The cubic root of 9209473156 is about 2096.0980572120.

The spelling of 9209473156 in words is "nine billion, two hundred nine million, four hundred seventy-three thousand, one hundred fifty-six".