852491049749 has 16 divisors (see below), whose sum is σ = 867894289920. Its totient is φ = 837213423600.

The previous prime is 852491049733. The next prime is 852491049757. The reversal of 852491049749 is 947940194258.

It is a cyclic number.

It is not a de Polignac number, because 852491049749 - 2⁴ = 852491049733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 852491049691 and 852491049700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852491049719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49123424 + ... + 49140774.

It is an arithmetic number, because the mean of its divisors is an integer number (54243393120).

Almost surely, 2^852491049749 is an apocalyptic number.

It is an amenable number.

852491049749 is a deficient number, since it is larger than the sum of its proper divisors (15403240171).

852491049749 is a wasteful number, since it uses less digits than its factorization.

852491049749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20920.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 852491049749 in words is "eight hundred fifty-two billion, four hundred ninety-one million, forty-nine thousand, seven hundred forty-nine".