3020078689 has 2 divisors, whose sum is σ = 3020078690. Its totient is φ = 3020078688.

The previous prime is 3020078681. The next prime is 3020078717. The reversal of 3020078689 is 9868700203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2672890000 + 347188689 = 51700^2 + 18633^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020078689 - 2³ = 3020078681 is a prime.

It is not a weakly prime, because it can be changed into another prime (3020078681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510039344 + 1510039345.

It is an arithmetic number, because the mean of its divisors is an integer number (1510039345).

Almost surely, 2^3020078689 is an apocalyptic number.

It is an amenable number.

3020078689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020078689 is an equidigital number, since it uses as much as digits as its factorization.

3020078689 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 43.

The square root of 3020078689 is about 54955.2425979542. The cubic root of 3020078689 is about 1445.4600274593.

The spelling of 3020078689 in words is "three billion, twenty million, seventy-eight thousand, six hundred eighty-nine".