9172942850 has 12 divisors (see below), whose sum is σ = 17061673794. Its totient is φ = 3669177120.

The previous prime is 9172942847. The next prime is 9172942853. The reversal of 9172942850 is 582492719.

9172942850 = 55295² + 55296² + 55297².

It is an interprime number because it is at equal distance from previous prime (9172942847) and next prime (9172942853).

It can be written as a sum of positive squares in 3 ways, for example, as 4165540681 + 5007402169 = 64541^2 + 70763^2 .

It is a super-2 number, since 2×9172942850² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9172942795 and 9172942804.

It is not an unprimeable number, because it can be changed into a prime (9172942853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91729379 + ... + 91729478.

Almost surely, 2^9172942850 is an apocalyptic number.

9172942850 is a deficient number, since it is larger than the sum of its proper divisors (7888730944).

9172942850 is a wasteful number, since it uses less digits than its factorization.

9172942850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183458869 (or 183458864 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 9172942850 is about 95775.4814657697. The cubic root of 9172942850 is about 2093.3229230948.

The spelling of 9172942850 in words is "nine billion, one hundred seventy-two million, nine hundred forty-two thousand, eight hundred fifty".