2029648321 has 16 divisors (see below), whose sum is σ = 2086456320. Its totient is φ = 1973726080.

The previous prime is 2029648307. The next prime is 2029648331. The reversal of 2029648321 is 1238469202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2029648321 - 2⁷ = 2029648193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2029648301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625291 + ... + 2626063.

It is an arithmetic number, because the mean of its divisors is an integer number (130403520).

Almost surely, 2^2029648321 is an apocalyptic number.

It is an amenable number.

2029648321 is a deficient number, since it is larger than the sum of its proper divisors (56807999).

2029648321 is a wasteful number, since it uses less digits than its factorization.

2029648321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2029648321 is about 45051.6184060018. The cubic root of 2029648321 is about 1266.1162941901.

The spelling of 2029648321 in words is "two billion, twenty-nine million, six hundred forty-eight thousand, three hundred twenty-one".