2919113321 has 2 divisors, whose sum is σ = 2919113322. Its totient is φ = 2919113320.

The previous prime is 2919113311. The next prime is 2919113339. The reversal of 2919113321 is 1233119192.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2121615721 + 797497600 = 46061^2 + 28240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2919113321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2919113311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459556660 + 1459556661.

It is an arithmetic number, because the mean of its divisors is an integer number (1459556661).

Almost surely, 2^2919113321 is an apocalyptic number.

It is an amenable number.

2919113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2919113321 is an equidigital number, since it uses as much as digits as its factorization.

2919113321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 32.

The square root of 2919113321 is about 54028.8193559696. The cubic root of 2919113321 is about 1429.1692113018.

The spelling of 2919113321 in words is "two billion, nine hundred nineteen million, one hundred thirteen thousand, three hundred twenty-one".