389313602500 has 45 divisors (see below), whose sum is σ = 851419214107. Its totient is φ = 155712962000.

The previous prime is 389313602471. The next prime is 389313602501. The reversal of 389313602500 is 5206313983.

The square root of 389313602500 is 623950.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30522186436 + 358791416064 = 174706^2 + 598992^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389313602501) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 31191261 + ... + 31203739.

Almost surely, 2^389313602500 is an apocalyptic number.

389313602500 is the 623950-th square number.

It is an amenable number.

389313602500 is an abundant number, since it is smaller than the sum of its proper divisors (462105611607).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389313602500 is an frugal number, since it uses more digits than its factorization.

389313602500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24982 (or 12486 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 389313602500 in words is "three hundred eighty-nine billion, three hundred thirteen million, six hundred two thousand, five hundred".