1000007999489 has 2 divisors, whose sum is σ = 1000007999490. Its totient is φ = 1000007999488.

The previous prime is 1000007999461. The next prime is 1000007999519. The reversal of 1000007999489 is 9849997000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790024101889 + 209983897600 = 888833^2 + 458240^2 .

It is an emirp because it is prime and its reverse (9849997000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000007999489 - 2⁸ = 1000007999233 is a prime.

It is a super-2 number, since 2×1000007999489² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1000007999789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500003999744 + 500003999745.

It is an arithmetic number, because the mean of its divisors is an integer number (500003999745).

Almost surely, 2^{1000007999489} is an apocalyptic number.

It is an amenable number.

1000007999489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000007999489 is an equidigital number, since it uses as much as digits as its factorization.

1000007999489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 1000007999489 in words is "one trillion, seven million, nine hundred ninety-nine thousand, four hundred eighty-nine".