853412048781 has 8 divisors (see below), whose sum is σ = 1153909249344. Its totient is φ = 560928107040.

The previous prime is 853412048773. The next prime is 853412048897. The reversal of 853412048781 is 187840214358.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 853412048781 - 2³ = 853412048773 is a prime.

It is a super-2 number, since 2×853412048781² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853412048081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2003314456 + ... + 2003314881.

It is an arithmetic number, because the mean of its divisors is an integer number (144238656168).

Almost surely, 2^853412048781 is an apocalyptic number.

It is an amenable number.

853412048781 is a deficient number, since it is larger than the sum of its proper divisors (300497200563).

853412048781 is a wasteful number, since it uses less digits than its factorization.

853412048781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006629411.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 853412048781 in words is "eight hundred fifty-three billion, four hundred twelve million, forty-eight thousand, seven hundred eighty-one".