853007737133 has 4 divisors (see below), whose sum is σ = 862592093820. Its totient is φ = 843423380448.

The previous prime is 853007737093. The next prime is 853007737139. The reversal of 853007737133 is 331737700358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 454812662404 + 398195074729 = 674398^2 + 631027^2 .

It is a cyclic number.

It is not a de Polignac number, because 853007737133 - 2⁸ = 853007736877 is a prime.

It is a super-2 number, since 2×853007737133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853007737139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4792178210 + ... + 4792178387.

It is an arithmetic number, because the mean of its divisors is an integer number (215648023455).

Almost surely, 2^853007737133 is an apocalyptic number.

It is an amenable number.

853007737133 is a deficient number, since it is larger than the sum of its proper divisors (9584356687).

853007737133 is an equidigital number, since it uses as much as digits as its factorization.

853007737133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9584356686.

The product of its (nonzero) digits is 1111320, while the sum is 47.

The spelling of 853007737133 in words is "eight hundred fifty-three billion, seven million, seven hundred thirty-seven thousand, one hundred thirty-three".