531354313439 has 4 divisors (see below), whose sum is σ = 531404789760. Its totient is φ = 531303837120.

The previous prime is 531354313417. The next prime is 531354313459. The reversal of 531354313439 is 934313453135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531354313439 - 2²⁰ = 531353264863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531354313439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531354313459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25222367 + ... + 25243424.

It is an arithmetic number, because the mean of its divisors is an integer number (132851197440).

Almost surely, 2^531354313439 is an apocalyptic number.

531354313439 is a deficient number, since it is larger than the sum of its proper divisors (50476321).

531354313439 is a wasteful number, since it uses less digits than its factorization.

531354313439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50476320.

The product of its digits is 874800, while the sum is 44.

The spelling of 531354313439 in words is "five hundred thirty-one billion, three hundred fifty-four million, three hundred thirteen thousand, four hundred thirty-nine".