536819857812 has 120 divisors (see below), whose sum is σ = 1605209735360. Its totient is φ = 153245364480.

The previous prime is 536819857787. The next prime is 536819857823. The reversal of 536819857812 is 218758918635.

536819857812 is a `hidden beast` number, since 5 + 36 + 8 + 19 + 8 + 578 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 536819857812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2554764 + ... + 2756892.

Almost surely, 2^536819857812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536819857812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802604867680).

536819857812 is an abundant number, since it is smaller than the sum of its proper divisors (1068389877548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

536819857812 is a wasteful number, since it uses less digits than its factorization.

536819857812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203323 (or 203312 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 63.

The spelling of 536819857812 in words is "five hundred thirty-six billion, eight hundred nineteen million, eight hundred fifty-seven thousand, eight hundred twelve".