450012709 has 8 divisors (see below), whose sum is σ = 466565120. Its totient is φ = 433587600.

The previous prime is 450012707. The next prime is 450012727. The reversal of 450012709 is 907210054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450012709 - 2¹ = 450012707 is a prime.

It is a super-2 number, since 2×450012709² = 405022876523037362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450012707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24597 + ... + 38794.

It is an arithmetic number, because the mean of its divisors is an integer number (58320640).

Almost surely, 2^450012709 is an apocalyptic number.

It is an amenable number.

450012709 is a deficient number, since it is larger than the sum of its proper divisors (16552411).

450012709 is a wasteful number, since it uses less digits than its factorization.

450012709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63651.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 450012709 is about 21213.5029874842. The cubic root of 450012709 is about 766.3166464194.

The spelling of 450012709 in words is "four hundred fifty million, twelve thousand, seven hundred nine".