2213920939 has 2 divisors, whose sum is σ = 2213920940. Its totient is φ = 2213920938.

The previous prime is 2213920927. The next prime is 2213920981. The reversal of 2213920939 is 9390293122.

2213920939 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 is a cyclic number.

It is not a de Polignac number, because 2213920939 - 2⁷ = 2213920811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2213920439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106960469 + 1106960470.

It is an arithmetic number, because the mean of its divisors is an integer number (1106960470).

Almost surely, 2^2213920939 is an apocalyptic number.

2213920939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213920939 is an equidigital number, since it uses as much as digits as its factorization.

2213920939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 2213920939 is about 47052.3212923656. The cubic root of 2213920939 is about 1303.3289315870.

The spelling of 2213920939 in words is "two billion, two hundred thirteen million, nine hundred twenty thousand, nine hundred thirty-nine".