4945788893 has 2 divisors, whose sum is σ = 4945788894. Its totient is φ = 4945788892.

The previous prime is 4945788889. The next prime is 4945788979. The reversal of 4945788893 is 3988875494.

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., 4476546649 + 469242244 = 66907^2 + 21662^2 .

It is a cyclic number.

It is not a de Polignac number, because 4945788893 - 2² = 4945788889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4945788493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472894446 + 2472894447.

It is an arithmetic number, because the mean of its divisors is an integer number (2472894447).

Almost surely, 2^4945788893 is an apocalyptic number.

It is an amenable number.

4945788893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4945788893 is an equidigital number, since it uses as much as digits as its factorization.

4945788893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 65.

The square root of 4945788893 is about 70326.3029953943. The cubic root of 4945788893 is about 1703.7734969945.

The spelling of 4945788893 in words is "four billion, nine hundred forty-five million, seven hundred eighty-eight thousand, eight hundred ninety-three".