319650021376 has 135 divisors (see below), whose sum is σ = 744833263167. Its totient is φ = 136775761920.

The previous prime is 319650021373. The next prime is 319650021401. The reversal of 319650021376 is 673120056913.

The square root of 319650021376 is 565376.

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

It is a super-2 number, since 2×319650021376² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (319650021371) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 506576581 + ... + 506577211.

Almost surely, 2^319650021376 is an apocalyptic number.

319650021376 is the 565376-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319650021376

319650021376 is an abundant number, since it is smaller than the sum of its proper divisors (425183241791).

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

319650021376 is an frugal number, since it uses more digits than its factorization.

319650021376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 319650021376 in words is "three hundred nineteen billion, six hundred fifty million, twenty-one thousand, three hundred seventy-six".