1029007009 has 2 divisors, whose sum is σ = 1029007010. Its totient is φ = 1029007008.

The previous prime is 1029007003. The next prime is 1029007039. The reversal of 1029007009 is 9007009201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857318400 + 171688609 = 29280^2 + 13103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1029007009 is a prime.

It is a super-2 number, since 2×1029007009² = 2117710849142252162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1029007003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514503504 + 514503505.

It is an arithmetic number, because the mean of its divisors is an integer number (514503505).

Almost surely, 2^1029007009 is an apocalyptic number.

It is an amenable number.

1029007009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029007009 is an equidigital number, since it uses as much as digits as its factorization.

1029007009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1029007009 is about 32078.1391137329. The cubic root of 1029007009 is about 1009.5769914384.

The spelling of 1029007009 in words is "one billion, twenty-nine million, seven thousand, nine".