2668570321 has 8 divisors (see below), whose sum is σ = 2750033664. Its totient is φ = 2587886880.

The previous prime is 2668570319. The next prime is 2668570327. The reversal of 2668570321 is 1230758662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2668570321 - 2¹ = 2668570319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2668570327) 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 7 ways as a sum of consecutive naturals, for example, 188025 + ... + 201718.

It is an arithmetic number, because the mean of its divisors is an integer number (343754208).

Almost surely, 2^2668570321 is an apocalyptic number.

It is an amenable number.

2668570321 is a deficient number, since it is larger than the sum of its proper divisors (81463343).

2668570321 is a wasteful number, since it uses less digits than its factorization.

2668570321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389951.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2668570321 is about 51658.2067149064. The cubic root of 2668570321 is about 1387.0524502600.

The spelling of 2668570321 in words is "two billion, six hundred sixty-eight million, five hundred seventy thousand, three hundred twenty-one".