531832078513609 has 8 divisors (see below), whose sum is σ = 549006626649600. Its totient is φ = 514658697542400.

The previous prime is 531832078513507. The next prime is 531832078513661. The reversal of 531832078513609 is 906315870238135.

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 531832078513609 - 2¹¹ = 531832078511561 is a prime.

It is a super-2 number, since 2×531832078513609² (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 (531832078513909) 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, 290865112 + ... + 292687849.

It is an arithmetic number, because the mean of its divisors is an integer number (68625828331200).

Almost surely, 2^{531832078513609} is an apocalyptic number.

It is an amenable number.

531832078513609 is a deficient number, since it is larger than the sum of its proper divisors (17174548135991).

531832078513609 is a wasteful number, since it uses less digits than its factorization.

531832078513609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583582391.

The product of its (nonzero) digits is 32659200, while the sum is 61.

The spelling of 531832078513609 in words is "five hundred thirty-one trillion, eight hundred thirty-two billion, seventy-eight million, five hundred thirteen thousand, six hundred nine".