534520333411681 has 8 divisors (see below), whose sum is σ = 549856564473960. Its totient is φ = 519230930537088.

The previous prime is 534520333411541. The next prime is 534520333411739. The reversal of 534520333411681 is 186114333025435.

It can be written as a sum of positive squares in 4 ways, for example, as 81452718813456 + 453067614598225 = 9025116^2 + 21285385^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-534520333411681 is a prime.

It is a super-2 number, since 2×534520333411681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534520333415681) 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 7 ways as a sum of consecutive naturals, for example, 11707023766 + ... + 11707069423.

It is an arithmetic number, because the mean of its divisors is an integer number (68732070559245).

Almost surely, 2^{534520333411681} is an apocalyptic number.

It is an amenable number.

534520333411681 is a deficient number, since it is larger than the sum of its proper divisors (15336231062279).

534520333411681 is a wasteful number, since it uses less digits than its factorization.

534520333411681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23414093843.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 534520333411681 in words is "five hundred thirty-four trillion, five hundred twenty billion, three hundred thirty-three million, four hundred eleven thousand, six hundred eighty-one".