864030439531 has 8 divisors (see below), whose sum is σ = 1008473218560. Its totient is φ = 724840125288.

The previous prime is 864030439513. The next prime is 864030439543. The reversal of 864030439531 is 135934030468.

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 864030439531 - 2⁵ = 864030439499 is a prime.

It is a super-2 number, since 2×864030439531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864030439501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313115841 + ... + 1313116498.

It is an arithmetic number, because the mean of its divisors is an integer number (126059152320).

Almost surely, 2^864030439531 is an apocalyptic number.

864030439531 is a deficient number, since it is larger than the sum of its proper divisors (144442779029).

864030439531 is a wasteful number, since it uses less digits than its factorization.

864030439531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626232393.

The product of its (nonzero) digits is 933120, while the sum is 46.

Adding to 864030439531 its reverse (135934030468), we get a palindrome (999964469999).

The spelling of 864030439531 in words is "eight hundred sixty-four billion, thirty million, four hundred thirty-nine thousand, five hundred thirty-one".