853550952009 has 32 divisors (see below), whose sum is σ = 1310160015360. Its totient is φ = 484177623552.

The previous prime is 853550951951. The next prime is 853550952077. The reversal of 853550952009 is 900259055358.

It is not a de Polignac number, because 853550952009 - 2¹⁷ = 853550820937 is a prime.

It is a super-2 number, since 2×853550952009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (853550962009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45897817 + ... + 45916409.

It is an arithmetic number, because the mean of its divisors is an integer number (40942500480).

Almost surely, 2^853550952009 is an apocalyptic number.

It is an amenable number.

853550952009 is a deficient number, since it is larger than the sum of its proper divisors (456609063351).

853550952009 is a wasteful number, since it uses less digits than its factorization.

853550952009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34469.

The product of its (nonzero) digits is 2430000, while the sum is 51.

The spelling of 853550952009 in words is "eight hundred fifty-three billion, five hundred fifty million, nine hundred fifty-two thousand, nine".