384521529604 has 9 divisors (see below), whose sum is σ = 672914847157. Its totient is φ = 192260144704.

The previous prime is 384521529479. The next prime is 384521529611. The reversal of 384521529604 is 406925125483.

The square root of 384521529604 is 620098.

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

It can be written as a sum of positive squares in only one way, i.e., 1806080004 + 382715449600 = 42498^2 + 618640^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1085172 + ... + 1395220.

Almost surely, 2^384521529604 is an apocalyptic number.

384521529604 is the 620098-th square number.

It is an amenable number.

384521529604 is a deficient number, since it is larger than the sum of its proper divisors (288393317553).

384521529604 is an frugal number, since it uses more digits than its factorization.

384521529604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620102 (or 310051 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

Multiplying 384521529604 by its sum of digits (49), we get a square (18841554950596 = 4340686²).

The spelling of 384521529604 in words is "three hundred eighty-four billion, five hundred twenty-one million, five hundred twenty-nine thousand, six hundred four".