2949793321 has 2 divisors, whose sum is σ = 2949793322. Its totient is φ = 2949793320.

The previous prime is 2949793307. The next prime is 2949793349. The reversal of 2949793321 is 1233979492.

2949793321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2895623721 + 54169600 = 53811^2 + 7360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2949793321 - 2²⁷ = 2815575593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2949793361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1474896660 + 1474896661.

It is an arithmetic number, because the mean of its divisors is an integer number (1474896661).

Almost surely, 2^2949793321 is an apocalyptic number.

It is an amenable number.

2949793321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2949793321 is an equidigital number, since it uses as much as digits as its factorization.

2949793321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 2949793321 is about 54311.9997882604. Note that the first 3 decimals coincide. The cubic root of 2949793321 is about 1434.1586477436.

The spelling of 2949793321 in words is "two billion, nine hundred forty-nine million, seven hundred ninety-three thousand, three hundred twenty-one".