7206248789 has 2 divisors, whose sum is σ = 7206248790. Its totient is φ = 7206248788.

The previous prime is 7206248701. The next prime is 7206248839. The reversal of 7206248789 is 9878426027.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4412280625 + 2793968164 = 66425^2 + 52858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7206248789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7206248789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7206248989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603124394 + 3603124395.

It is an arithmetic number, because the mean of its divisors is an integer number (3603124395).

Almost surely, 2^7206248789 is an apocalyptic number.

It is an amenable number.

7206248789 is a deficient number, since it is larger than the sum of its proper divisors (1).

7206248789 is an equidigital number, since it uses as much as digits as its factorization.

7206248789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The square root of 7206248789 is about 84889.6270989571. The cubic root of 7206248789 is about 1931.5372317043.

The spelling of 7206248789 in words is "seven billion, two hundred six million, two hundred forty-eight thousand, seven hundred eighty-nine".