533531663249 has 8 divisors (see below), whose sum is σ = 583991783592. Its totient is φ = 484417146240.

The previous prime is 533531663237. The next prime is 533531663263. The reversal of 533531663249 is 942366135335.

It can be written as a sum of positive squares in 4 ways, for example, as 3700532224 + 529831131025 = 60832^2 + 727895^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 533531663249 - 2¹⁶ = 533531597713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 533531663197 and 533531663206.

It is not an unprimeable number, because it can be changed into a prime (533531663149) 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, 336400004 + ... + 336401589.

It is an arithmetic number, because the mean of its divisors is an integer number (72998972949).

Almost surely, 2^533531663249 is an apocalyptic number.

It is an amenable number.

533531663249 is a deficient number, since it is larger than the sum of its proper divisors (50460120343).

533531663249 is a wasteful number, since it uses less digits than its factorization.

533531663249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672801667.

The product of its digits is 5248800, while the sum is 50.

The spelling of 533531663249 in words is "five hundred thirty-three billion, five hundred thirty-one million, six hundred sixty-three thousand, two hundred forty-nine".