9172942853 has 2 divisors, whose sum is σ = 9172942854. Its totient is φ = 9172942852.

The previous prime is 9172942847. The next prime is 9172942871. The reversal of 9172942853 is 3582492719.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7656775009 + 1516167844 = 87503^2 + 38938^2 .

It is a cyclic number.

It is not a de Polignac number, because 9172942853 - 2¹⁰ = 9172941829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9172941853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4586471426 + 4586471427.

It is an arithmetic number, because the mean of its divisors is an integer number (4586471427).

Almost surely, 2^9172942853 is an apocalyptic number.

It is an amenable number.

9172942853 is a deficient number, since it is larger than the sum of its proper divisors (1).

9172942853 is an equidigital number, since it uses as much as digits as its factorization.

9172942853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 9172942853 is about 95775.4814814314. The cubic root of 9172942853 is about 2093.3229233230.

The spelling of 9172942853 in words is "nine billion, one hundred seventy-two million, nine hundred forty-two thousand, eight hundred fifty-three".