449756653 has 8 divisors (see below), whose sum is σ = 454204800. Its totient is φ = 445330368.

The previous prime is 449756639. The next prime is 449756663. The reversal of 449756653 is 356657944.

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 449756653 - 2⁹ = 449756141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449756597 and 449756606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449756603) 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, 37525 + ... + 48037.

It is an arithmetic number, because the mean of its divisors is an integer number (56775600).

Almost surely, 2^449756653 is an apocalyptic number.

It is an amenable number.

449756653 is a deficient number, since it is larger than the sum of its proper divisors (4448147).

449756653 is a wasteful number, since it uses less digits than its factorization.

449756653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931.

The product of its digits is 2721600, while the sum is 49.

The square root of 449756653 is about 21207.4669161595. The cubic root of 449756653 is about 766.1712748189.

The spelling of 449756653 in words is "four hundred forty-nine million, seven hundred fifty-six thousand, six hundred fifty-three".