9025387909 has 2 divisors, whose sum is σ = 9025387910. Its totient is φ = 9025387908.

The previous prime is 9025387901. The next prime is 9025387939. The reversal of 9025387909 is 9097835209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6372828900 + 2652559009 = 79830^2 + 51503^2 .

It is a cyclic number.

It is not a de Polignac number, because 9025387909 - 2³ = 9025387901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9025387901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4512693954 + 4512693955.

It is an arithmetic number, because the mean of its divisors is an integer number (4512693955).

Almost surely, 2^9025387909 is an apocalyptic number.

It is an amenable number.

9025387909 is a deficient number, since it is larger than the sum of its proper divisors (1).

9025387909 is an equidigital number, since it uses as much as digits as its factorization.

9025387909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 9025387909 is about 95002.0416043782. The cubic root of 9025387909 is about 2082.0378749251.

The spelling of 9025387909 in words is "nine billion, twenty-five million, three hundred eighty-seven thousand, nine hundred nine".