4120074989 has 2 divisors, whose sum is σ = 4120074990. Its totient is φ = 4120074988.

The previous prime is 4120074923. The next prime is 4120075013. The reversal of 4120074989 is 9894700214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4085382889 + 34692100 = 63917^2 + 5890^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120074989 - 2¹² = 4120070893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4120074089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060037494 + 2060037495.

It is an arithmetic number, because the mean of its divisors is an integer number (2060037495).

Almost surely, 2^4120074989 is an apocalyptic number.

It is an amenable number.

4120074989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120074989 is an equidigital number, since it uses as much as digits as its factorization.

4120074989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4120074989 is about 64187.8102835733. The cubic root of 4120074989 is about 1603.1286424529.

The spelling of 4120074989 in words is "four billion, one hundred twenty million, seventy-four thousand, nine hundred eighty-nine".