384614549929 has 9 divisors (see below), whose sum is σ = 385936939557. Its totient is φ = 383296682304.

The previous prime is 384614549909. The next prime is 384614549987. The reversal of 384614549929 is 929945416483.

The square root of 384614549929 is 620173.

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

It can be written as a sum of positive squares in 4 ways, for example, as 23591424025 + 361023125904 = 153595^2 + 600852^2 .

It is a de Polignac number, because none of the positive numbers 2^k-384614549929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384614549909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 216439489 + ... + 216441265.

It is an arithmetic number, because the mean of its divisors is an integer number (42881882173).

Almost surely, 2^384614549929 is an apocalyptic number.

384614549929 is the 620173-rd square number.

384614549929 is the 310087-th centered octagonal number.

It is an amenable number.

384614549929 is a deficient number, since it is larger than the sum of its proper divisors (1322389628).

384614549929 is an frugal number, since it uses more digits than its factorization.

384614549929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252 (or 2126 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 64.

Multiplying 384614549929 by its sum of digits (64), we get a square (24615331195456 = 4961384²).

The spelling of 384614549929 in words is "three hundred eighty-four billion, six hundred fourteen million, five hundred forty-nine thousand, nine hundred twenty-nine".