9907070989 has 2 divisors, whose sum is σ = 9907070990. Its totient is φ = 9907070988.

The previous prime is 9907070903. The next prime is 9907071001. The reversal of 9907070989 is 9890707099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9032981764 + 874089225 = 95042^2 + 29565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9907070989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9907070189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4953535494 + 4953535495.

It is an arithmetic number, because the mean of its divisors is an integer number (4953535495).

Almost surely, 2^9907070989 is an apocalyptic number.

It is an amenable number.

9907070989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9907070989 is an equidigital number, since it uses as much as digits as its factorization.

9907070989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 58.

The square root of 9907070989 is about 99534.2704248140. The cubic root of 9907070989 is about 2147.7402606178.

The spelling of 9907070989 in words is "nine billion, nine hundred seven million, seventy thousand, nine hundred eighty-nine".