309234405543844 has 81 divisors (see below), whose sum is σ = 596672023491691. Its totient is φ = 140126918248240.

The previous prime is 309234405543823. The next prime is 309234405543851. The reversal of 309234405543844 is 448345504432903.

The square root of 309234405543844 is 17585062.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 148171731369 + ... + 148171733455.

Almost surely, 2^{309234405543844} is an apocalyptic number.

309234405543844 is the 17585062-nd square number.

It is an amenable number.

309234405543844 is a deficient number, since it is larger than the sum of its proper divisors (287437617947847).

309234405543844 is an frugal number, since it uses more digits than its factorization.

309234405543844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 58.

The spelling of 309234405543844 in words is "three hundred nine trillion, two hundred thirty-four billion, four hundred five million, five hundred forty-three thousand, eight hundred forty-four".