4455668939 has 2 divisors, whose sum is σ = 4455668940. Its totient is φ = 4455668938.

The previous prime is 4455668887. The next prime is 4455668957. The reversal of 4455668939 is 9398665544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4455668939 is a prime.

It is not a weakly prime, because it can be changed into another prime (4455668989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227834469 + 2227834470.

It is an arithmetic number, because the mean of its divisors is an integer number (2227834470).

Almost surely, 2^4455668939 is an apocalyptic number.

4455668939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455668939 is an equidigital number, since it uses as much as digits as its factorization.

4455668939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 59.

The square root of 4455668939 is about 66750.7972911186. The cubic root of 4455668939 is about 1645.5243185331.

The spelling of 4455668939 in words is "four billion, four hundred fifty-five million, six hundred sixty-eight thousand, nine hundred thirty-nine".