6425009089 has 2 divisors, whose sum is σ = 6425009090. Its totient is φ = 6425009088.

The previous prime is 6425009069. The next prime is 6425009119. The reversal of 6425009089 is 9809005246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6299120689 + 125888400 = 79367^2 + 11220^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425009089 - 2¹¹ = 6425007041 is a prime.

It is not a weakly prime, because it can be changed into another prime (6425009069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212504544 + 3212504545.

It is an arithmetic number, because the mean of its divisors is an integer number (3212504545).

Almost surely, 2^6425009089 is an apocalyptic number.

It is an amenable number.

6425009089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6425009089 is an equidigital number, since it uses as much as digits as its factorization.

6425009089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6425009089 is about 80156.1544050112. The cubic root of 6425009089 is about 1859.0507632862.

The spelling of 6425009089 in words is "six billion, four hundred twenty-five million, nine thousand, eighty-nine".