2119303391 has 2 divisors, whose sum is σ = 2119303392. Its totient is φ = 2119303390.

The previous prime is 2119303379. The next prime is 2119303409. The reversal of 2119303391 is 1933039112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119303391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119303321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059651695 + 1059651696.

It is an arithmetic number, because the mean of its divisors is an integer number (1059651696).

Almost surely, 2^2119303391 is an apocalyptic number.

2119303391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119303391 is an equidigital number, since it uses as much as digits as its factorization.

2119303391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 2119303391 is about 46035.8924210230. The cubic root of 2119303391 is about 1284.4909369563.

The spelling of 2119303391 in words is "two billion, one hundred nineteen million, three hundred three thousand, three hundred ninety-one".