449605651 has 8 divisors (see below), whose sum is σ = 491534784. Its totient is φ = 407852520.

The previous prime is 449605627. The next prime is 449605657. The reversal of 449605651 is 156506944.

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 449605651 - 2¹¹ = 449603603 is a prime.

It is a super-2 number, since 2×449605651² = 404290482822267602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449605657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38625 + ... + 48898.

It is an arithmetic number, because the mean of its divisors is an integer number (61441848).

Almost surely, 2^449605651 is an apocalyptic number.

449605651 is a deficient number, since it is larger than the sum of its proper divisors (41929133).

449605651 is a wasteful number, since it uses less digits than its factorization.

449605651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88001.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 449605651 is about 21203.9065032838. The cubic root of 449605651 is about 766.0855200416.

The spelling of 449605651 in words is "four hundred forty-nine million, six hundred five thousand, six hundred fifty-one".