1451007009 has 6 divisors (see below), whose sum is σ = 2095899026. Its totient is φ = 967338000.

The previous prime is 1451006989. The next prime is 1451007011. The reversal of 1451007009 is 9007001541.

It can be written as a sum of positive squares in only one way, i.e., 1254222225 + 196784784 = 35415^2 + 14028^2 .

It is not a de Polignac number, because 1451007009 - 2¹³ = 1450998817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451007109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80611492 + ... + 80611509.

Almost surely, 2^1451007009 is an apocalyptic number.

It is an amenable number.

1451007009 is a deficient number, since it is larger than the sum of its proper divisors (644892017).

1451007009 is a wasteful number, since it uses less digits than its factorization.

1451007009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161223007 (or 161223004 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1451007009 is about 38092.0859103305. The cubic root of 1451007009 is about 1132.1131547186.

The spelling of 1451007009 in words is "one billion, four hundred fifty-one million, seven thousand, nine".