2642652321 has 16 divisors (see below), whose sum is σ = 3703584384. Its totient is φ = 1672863104.

The previous prime is 2642652317. The next prime is 2642652323. The reversal of 2642652321 is 1232562462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2642652321 - 2² = 2642652317 is a prime.

It is a super-2 number, since 2×2642652321² = 13967222579373374082, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2642652323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130326 + ... + 149231.

It is an arithmetic number, because the mean of its divisors is an integer number (231474024).

Almost surely, 2^2642652321 is an apocalyptic number.

It is an amenable number.

2642652321 is a deficient number, since it is larger than the sum of its proper divisors (1060932063).

2642652321 is a wasteful number, since it uses less digits than its factorization.

2642652321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279720.

The product of its digits is 34560, while the sum is 33.

The square root of 2642652321 is about 51406.7341989355. The cubic root of 2642652321 is about 1382.5473360530.

The spelling of 2642652321 in words is "two billion, six hundred forty-two million, six hundred fifty-two thousand, three hundred twenty-one".