9057690989 has 2 divisors, whose sum is σ = 9057690990. Its totient is φ = 9057690988.

The previous prime is 9057690979. The next prime is 9057691003. The reversal of 9057690989 is 9890967509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4686497764 + 4371193225 = 68458^2 + 66115^2 .

It is an emirp because it is prime and its reverse (9890967509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9057690989 - 2¹² = 9057686893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9057690979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4528845494 + 4528845495.

It is an arithmetic number, because the mean of its divisors is an integer number (4528845495).

Almost surely, 2^9057690989 is an apocalyptic number.

It is an amenable number.

9057690989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9057690989 is an equidigital number, since it uses as much as digits as its factorization.

9057690989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The square root of 9057690989 is about 95171.9023084019. The cubic root of 9057690989 is about 2084.5188820637.

The spelling of 9057690989 in words is "nine billion, fifty-seven million, six hundred ninety thousand, nine hundred eighty-nine".